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6 vulnerabilities by ziproxy
VAR-201005-0334
Vulnerability from variot - Updated: 2025-04-11 23:10Multiple integer overflows in src/image.c in Ziproxy before 3.0.1 allow remote attackers to execute arbitrary code via (1) a large JPG image, related to the jpg2bitmap function or (2) a large PNG image, related to the png2bitmap function, leading to heap-based buffer overflows. Ziproxy is a forwarded, non-cached, compressed HTTP proxy server. Ziproxy can compress images into low quality JPEG files or JPEG 2000 and compress (gzip or) HTML and other text-like data. Ziproxy has an integer overflow, and a remote attacker can exploit the vulnerability to execute arbitrary instructions with application privileges. Ziproxy is prone to multiple integer-overflow vulnerabilities because it fails to properly validate user-supplied data. Failed exploit attempts will likely result in denial-of-service conditions. Ziproxy 3.0 is vulnerable; other versions may also be affected. ======================================================================
Secunia Research 24/05/2010
- Ziproxy Two Integer Overflow Vulnerabilities -
====================================================================== Table of Contents
Affected Software....................................................1 Severity.............................................................2 Vendor's Description of Software.....................................3 Description of Vulnerability.........................................4 Solution.............................................................5 Time Table...........................................................6 Credits..............................................................7 References...........................................................8 About Secunia........................................................9 Verification........................................................10
====================================================================== 1) Affected Software
- Ziproxy 3.0.0
NOTE: Other versions may also be affected.
====================================================================== 2) Severity
Rating: Highly critical Impact: System access Where: Remote
====================================================================== 3) Vendor's Description of Software
"Ziproxy is forwarding, non-caching, compressing HTTP proxy server.
Product Link: http://ziproxy.sourceforge.net/
====================================================================== 4) Description of Vulnerability
Secunia Research has discovered two vulnerabilities in Ziproxy, which can be exploited by malicious people to compromise a vulnerable system.
====================================================================== 5) Solution
Update to version 3.0.1.
====================================================================== 6) Time Table
19/05/2010 - Vendor notified. 19/05/2010 - Vendor response. 20/05/2010 - Vendor issues fixed version. 24/05/2010 - Public disclosure.
====================================================================== 7) Credits
Discovered by Stefan Cornelius, Secunia Research.
====================================================================== 8) References
The Common Vulnerabilities and Exposures (CVE) project has assigned CVE-2010-1513 for the vulnerabilities.
====================================================================== 9) About Secunia
Secunia offers vulnerability management solutions to corporate customers with verified and reliable vulnerability intelligence relevant to their specific system configuration:
http://secunia.com/advisories/business_solutions/
Secunia also provides a publicly accessible and comprehensive advisory database as a service to the security community and private individuals, who are interested in or concerned about IT-security.
http://secunia.com/advisories/
Secunia believes that it is important to support the community and to do active vulnerability research in order to aid improving the security and reliability of software in general:
http://secunia.com/secunia_research/
Secunia regularly hires new skilled team members. Check the URL below to see currently vacant positions:
http://secunia.com/corporate/jobs/
Secunia offers a FREE mailing list called Secunia Security Advisories:
http://secunia.com/advisories/mailing_lists/
====================================================================== 10) Verification
Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2010-75/
Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/
======================================================================
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TITLE: Ziproxy Two Integer Overflow Vulnerabilities
SECUNIA ADVISORY ID: SA39941
VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/39941/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=39941
RELEASE DATE: 2010-05-25
DISCUSS ADVISORY: http://secunia.com/advisories/39941/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s)
http://secunia.com/advisories/39941/
ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS
https://ca.secunia.com/?page=viewadvisory&vuln_id=39941
ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING
http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/
DESCRIPTION: Secunia Research has discovered some vulnerabilities in Ziproxy, which can be exploited by malicious people to compromise a vulnerable system.
ORIGINAL ADVISORY: Secunia Research: http://secunia.com/secunia_research/2010-75/
OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/
DEEP LINKS: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/
EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/
EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/
EXPLOIT: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/
About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/advisories/secunia_security_advisories/
Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
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Show details on source website
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"data": "Multiple integer overflows in src/image.c in Ziproxy before 3.0.1 allow remote attackers to execute arbitrary code via (1) a large JPG image, related to the jpg2bitmap function or (2) a large PNG image, related to the png2bitmap function, leading to heap-based buffer overflows. Ziproxy is a forwarded, non-cached, compressed HTTP proxy server. Ziproxy can compress images into low quality JPEG files or JPEG 2000 and compress (gzip or) HTML and other text-like data. Ziproxy has an integer overflow, and a remote attacker can exploit the vulnerability to execute arbitrary instructions with application privileges. Ziproxy is prone to multiple integer-overflow vulnerabilities because it fails to properly validate user-supplied data. Failed exploit attempts will likely result in denial-of-service conditions. \nZiproxy 3.0 is vulnerable; other versions may also be affected. ====================================================================== \n\n Secunia Research 24/05/2010\n\n - Ziproxy Two Integer Overflow Vulnerabilities -\n\n====================================================================== \nTable of Contents\n\nAffected Software....................................................1\nSeverity.............................................................2\nVendor\u0027s Description of Software.....................................3\nDescription of Vulnerability.........................................4\nSolution.............................................................5\nTime Table...........................................................6\nCredits..............................................................7\nReferences...........................................................8\nAbout Secunia........................................................9\nVerification........................................................10\n\n====================================================================== \n1) Affected Software \n\n* Ziproxy 3.0.0\n\nNOTE: Other versions may also be affected. \n\n====================================================================== \n2) Severity \n\nRating: Highly critical\nImpact: System access\nWhere: Remote\n\n====================================================================== \n3) Vendor\u0027s Description of Software \n\n\"Ziproxy is forwarding, non-caching, compressing HTTP proxy server. \n\nProduct Link:\nhttp://ziproxy.sourceforge.net/\n\n====================================================================== \n4) Description of Vulnerability\n\nSecunia Research has discovered two vulnerabilities in Ziproxy, which\ncan be exploited by malicious people to compromise a vulnerable \nsystem. \n\n====================================================================== \n5) Solution \n\nUpdate to version 3.0.1. \n\n====================================================================== \n6) Time Table \n\n19/05/2010 - Vendor notified. \n19/05/2010 - Vendor response. \n20/05/2010 - Vendor issues fixed version. \n24/05/2010 - Public disclosure. \n\n====================================================================== \n7) Credits \n\nDiscovered by Stefan Cornelius, Secunia Research. \n\n====================================================================== \n8) References\n\nThe Common Vulnerabilities and Exposures (CVE) project has assigned \nCVE-2010-1513 for the vulnerabilities. \n\n====================================================================== \n9) About Secunia\n\nSecunia offers vulnerability management solutions to corporate\ncustomers with verified and reliable vulnerability intelligence\nrelevant to their specific system configuration:\n\nhttp://secunia.com/advisories/business_solutions/\n\nSecunia also provides a publicly accessible and comprehensive advisory\ndatabase as a service to the security community and private \nindividuals, who are interested in or concerned about IT-security. \n\nhttp://secunia.com/advisories/\n\nSecunia believes that it is important to support the community and to\ndo active vulnerability research in order to aid improving the \nsecurity and reliability of software in general:\n\nhttp://secunia.com/secunia_research/\n\nSecunia regularly hires new skilled team members. Check the URL below\nto see currently vacant positions:\n\nhttp://secunia.com/corporate/jobs/\n\nSecunia offers a FREE mailing list called Secunia Security Advisories:\n\nhttp://secunia.com/advisories/mailing_lists/\n\n====================================================================== \n10) Verification \n\nPlease verify this advisory by visiting the Secunia website:\nhttp://secunia.com/secunia_research/2010-75/\n\nComplete list of vulnerability reports published by Secunia Research:\nhttp://secunia.com/secunia_research/\n\n======================================================================\n\n_______________________________________________\nFull-Disclosure - We believe in it. \nCharter: http://lists.grok.org.uk/full-disclosure-charter.html\nHosted and sponsored by Secunia - http://secunia.com/\n. ----------------------------------------------------------------------\n\n\nStay Compliant\n\nAlerts, Technical Descriptions, PoC, Links to patches, CVSS, CVE, Changelogs, Alternative Remediation Strategies, and much more provided in the Secunia Vulnerability Intelligence solutions\n\nFree Trial\nhttp://secunia.com/products/corporate/evm/trial/\n\n\n----------------------------------------------------------------------\n\nTITLE:\nZiproxy Two Integer Overflow Vulnerabilities\n\nSECUNIA ADVISORY ID:\nSA39941\n\nVERIFY ADVISORY:\nSecunia.com\nhttp://secunia.com/advisories/39941/\nCustomer Area (Credentials Required)\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=39941\n\nRELEASE DATE:\n2010-05-25\n\nDISCUSS ADVISORY:\nhttp://secunia.com/advisories/39941/#comments\n\nAVAILABLE ON SITE AND IN CUSTOMER AREA:\n * Last Update\n * Popularity\n * Comments\n * Criticality Level\n * Impact\n * Where\n * Solution Status\n * Operating System / Software\n * CVE Reference(s)\n\nhttp://secunia.com/advisories/39941/\n\nONLY AVAILABLE IN CUSTOMER AREA:\n * Authentication Level\n * Report Reliability\n * Secunia PoC\n * Secunia Analysis\n * Systems Affected\n * Approve Distribution\n * Remediation Status\n * Secunia CVSS Score\n * CVSS\n\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=39941\n\nONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:\n * AUTOMATED SCANNING\n\nhttp://secunia.com/vulnerability_scanning/personal/\nhttp://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/\n\nDESCRIPTION:\nSecunia Research has discovered some vulnerabilities in Ziproxy,\nwhich can be exploited by malicious people to compromise a vulnerable\nsystem. \n\nORIGINAL ADVISORY:\nSecunia Research:\nhttp://secunia.com/secunia_research/2010-75/\n\nOTHER REFERENCES:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nDEEP LINKS:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nEXTENDED DESCRIPTION:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nEXTENDED SOLUTION:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\nEXPLOIT:\nFurther details available in Customer Area:\nhttp://secunia.com/products/corporate/EVM/\n\n----------------------------------------------------------------------\n\nAbout:\nThis Advisory was delivered by Secunia as a free service to help\nprivate users keeping their systems up to date against the latest\nvulnerabilities. \n\nSubscribe:\nhttp://secunia.com/advisories/secunia_security_advisories/\n\nDefinitions: (Criticality, Where etc.)\nhttp://secunia.com/advisories/about_secunia_advisories/\n\n\nPlease Note:\nSecunia recommends that you verify all advisories you receive by\nclicking the link. \nSecunia NEVER sends attached files with advisories. \nSecunia does not advise people to install third party patches, only\nuse those supplied by the vendor. \n\n----------------------------------------------------------------------\n\nUnsubscribe: Secunia Security Advisories\nhttp://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org\n\n----------------------------------------------------------------------\n\n\n",
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VAR-200903-0335
Vulnerability from variot - Updated: 2025-04-10 22:15Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header. Proxy servers running in interception mode ("transparent" proxies) that make connection decisions based on HTTP header values may be used by an attacker to relay connections. Ziproxy Is used to determine the remote endpoint when transparent blocking mode is enabled. Ziproxy is prone to a security bypass vulnerability.
SOLUTION: As a workaround, the vendor recommends to "configure Guardian to block their internal web servers without passwords using hostname and IPaddress". ----------------------------------------------------------------------
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TITLE: Ziproxy HTTP "Host:" Header Security Bypass
SECUNIA ADVISORY ID: SA34018
VERIFY ADVISORY: http://secunia.com/advisories/34018/
DESCRIPTION: A security issue has been reported in Ziproxy, which can be exploited by malicious people to bypass certain security restrictions.
The security issue is caused due to the application relying on HTTP "Host:" headers when acting as transparent proxy. This can be exploited to e.g.
Successful exploitation requires that the attacker can forge the HTTP "Host:" header (e.g. via active content).
The security issue is reported in version 2.6.0. Other versions may also be affected.
SOLUTION: The vendor recommends to use a proxy server with better security capabilities between clients and Ziproxy. Use a firewall to restrict access to untrusted websites.
PROVIDED AND/OR DISCOVERED BY: US-CERT credits Robert Auger, PayPal Information Risk Management team.
ORIGINAL ADVISORY: US-CERT VU#435052: http://www.kb.cert.org/vuls/id/435052
http://www.kb.cert.org/vuls/id/MAPG-7N9GN8
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/advisories/secunia_security_advisories/
Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org
.
SOLUTION: The vendor has published workarounds. See the vendor's advisory for additional information
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VAR-200903-0332
Vulnerability from variot - Updated: 2025-04-10 21:36Squid, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header. HTTP of Host A transparent proxy server that relays the connection destination based on the header value may be exploited by an attacker. HTTP of Host Header is RFC 2616 Multiple web sites on a web server IP Used to enable address sharing. The transparent proxy server relays the network connection regardless of the browser settings. Some transparent proxy servers Host Some of them determine the connection destination based on the header value. Flash And Java Browser plug-ins such as these restrict communication by dynamic content executed on the browser to only the site or domain where the content was placed. Attackers use dynamic content, HTTP Host You can craft header values. The proxy server Host When making a decision based on the value of the header, the attacker Host By crafting the header, you can connect to any site. Attackers conduct attacks by directing users to sites with malicious dynamic content or by embedding malicious dynamic content in sites that they believe can be trusted. This issue only affects transparent proxy servers. In addition, browser Same Origin Policy Authentication information by attackers (cookie Such ) Reuse of is considered impossible.An attacker could access websites and resources that can be reached from the proxy. These sites may also include internal resources located on the intranet. Attackers may exploit this issue to obtain sensitive information such as internal intranet webpages. Additional attacks may also be possible.
SOLUTION: As a workaround, the vendor recommends to "configure Guardian to block their internal web servers without passwords using hostname and IPaddress". - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201309-22
http://security.gentoo.org/
Severity: Normal Title: Squid: Multiple vulnerabilities Date: September 27, 2013 Bugs: #261208, #389133, #447596, #452584, #461492, #476562, #476960 ID: 201309-22
Synopsis
Multiple vulnerabilities have been found in Squid, possibly resulting in remote Denial of Service.
Background
Squid is a full-featured web proxy cache.
Affected packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-proxy/squid < 3.2.13 >= 3.2.13
Description
Multiple vulnerabilities have been discovered in Squid. Please review the CVE identifiers referenced below for details.
Impact
A remote attacker may be able to bypass ACL restrictions or cause a Denial of Service condition.
Workaround
There is no known workaround at this time.
Resolution
All Squid users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=net-proxy/squid-3.2.13"
References
[ 1 ] CVE-2009-0801 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-0801 [ 2 ] CVE-2011-4096 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4096 [ 3 ] CVE-2012-5643 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5643 [ 4 ] CVE-2013-0189 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0189 [ 5 ] CVE-2013-1839 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1839 [ 6 ] CVE-2013-4115 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4115 [ 7 ] CVE-2013-4123 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4123
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-201309-22.xml
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2013 Gentoo Foundation, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5 . ----------------------------------------------------------------------
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TITLE: Ziproxy HTTP "Host:" Header Security Bypass
SECUNIA ADVISORY ID: SA34018
VERIFY ADVISORY: http://secunia.com/advisories/34018/
DESCRIPTION: A security issue has been reported in Ziproxy, which can be exploited by malicious people to bypass certain security restrictions. This can be exploited to e.g. access restricted websites or bypass a browser's security context protection mechanism by sending HTTP requests with a forged HTTP "Host:" header. via active content).
The security issue is reported in version 2.6.0. Other versions may also be affected.
SOLUTION: The vendor recommends to use a proxy server with better security capabilities between clients and Ziproxy. Use a firewall to restrict access to untrusted websites.
PROVIDED AND/OR DISCOVERED BY: US-CERT credits Robert Auger, PayPal Information Risk Management team.
ORIGINAL ADVISORY: US-CERT VU#435052: http://www.kb.cert.org/vuls/id/435052
http://www.kb.cert.org/vuls/id/MAPG-7N9GN8
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/advisories/secunia_security_advisories/
Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org
.
SOLUTION: The vendor has published workarounds
Show details on source website{
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"data": "Squid, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header. HTTP of Host A transparent proxy server that relays the connection destination based on the header value may be exploited by an attacker. HTTP of Host Header is RFC 2616 Multiple web sites on a web server IP Used to enable address sharing. The transparent proxy server relays the network connection regardless of the browser settings. Some transparent proxy servers Host Some of them determine the connection destination based on the header value. Flash And Java Browser plug-ins such as these restrict communication by dynamic content executed on the browser to only the site or domain where the content was placed. Attackers use dynamic content, HTTP Host You can craft header values. The proxy server Host When making a decision based on the value of the header, the attacker Host By crafting the header, you can connect to any site. Attackers conduct attacks by directing users to sites with malicious dynamic content or by embedding malicious dynamic content in sites that they believe can be trusted. This issue only affects transparent proxy servers. In addition, browser Same Origin Policy Authentication information by attackers (cookie Such ) Reuse of is considered impossible.An attacker could access websites and resources that can be reached from the proxy. These sites may also include internal resources located on the intranet. \nAttackers may exploit this issue to obtain sensitive information such as internal intranet webpages. Additional attacks may also be possible. \n\nSOLUTION:\nAs a workaround, the vendor recommends to \"configure Guardian to\nblock their internal web servers without passwords using hostname and\nIPaddress\". - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory GLSA 201309-22\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n http://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: Normal\n Title: Squid: Multiple vulnerabilities\n Date: September 27, 2013\n Bugs: #261208, #389133, #447596, #452584, #461492, #476562, #476960\n ID: 201309-22\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nMultiple vulnerabilities have been found in Squid, possibly resulting\nin remote Denial of Service. \n\nBackground\n==========\n\nSquid is a full-featured web proxy cache. \n\nAffected packages\n=================\n\n -------------------------------------------------------------------\n Package / Vulnerable / Unaffected\n -------------------------------------------------------------------\n 1 net-proxy/squid \u003c 3.2.13 \u003e= 3.2.13\n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in Squid. Please review\nthe CVE identifiers referenced below for details. \n\nImpact\n======\n\nA remote attacker may be able to bypass ACL restrictions or cause a\nDenial of Service condition. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll Squid users should upgrade to the latest version:\n\n # emerge --sync\n # emerge --ask --oneshot --verbose \"\u003e=net-proxy/squid-3.2.13\"\n\nReferences\n==========\n\n[ 1 ] CVE-2009-0801\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-0801\n[ 2 ] CVE-2011-4096\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4096\n[ 3 ] CVE-2012-5643\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5643\n[ 4 ] CVE-2013-0189\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0189\n[ 5 ] CVE-2013-1839\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1839\n[ 6 ] CVE-2013-4115\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4115\n[ 7 ] CVE-2013-4123\n http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-4123\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n http://security.gentoo.org/glsa/glsa-201309-22.xml\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2013 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttp://creativecommons.org/licenses/by-sa/2.5\n. ----------------------------------------------------------------------\n\nDid you know? Our assessment and impact rating along with detailed\ninformation such as exploit code availability, or if an updated patch\nis released by the vendor, is not part of this mailing-list?\n \nClick here to learn more about our commercial solutions:\nhttp://secunia.com/advisories/business_solutions/\n \nClick here to trial our solutions:\nhttp://secunia.com/advisories/try_vi/\n\n----------------------------------------------------------------------\n\nTITLE:\nZiproxy HTTP \"Host:\" Header Security Bypass\n\nSECUNIA ADVISORY ID:\nSA34018\n\nVERIFY ADVISORY:\nhttp://secunia.com/advisories/34018/\n\nDESCRIPTION:\nA security issue has been reported in Ziproxy, which can be exploited\nby malicious people to bypass certain security restrictions. This can be\nexploited to e.g. access restricted websites or bypass a browser\u0027s\nsecurity context protection mechanism by sending HTTP requests with a\nforged HTTP \"Host:\" header. via active content). \n\nThe security issue is reported in version 2.6.0. Other versions may\nalso be affected. \n\nSOLUTION:\nThe vendor recommends to use a proxy server with better security\ncapabilities between clients and Ziproxy. Use a firewall to restrict\naccess to untrusted websites. \n\nPROVIDED AND/OR DISCOVERED BY:\nUS-CERT credits Robert Auger, PayPal Information Risk Management\nteam. \n\nORIGINAL ADVISORY:\nUS-CERT VU#435052:\nhttp://www.kb.cert.org/vuls/id/435052\n\nhttp://www.kb.cert.org/vuls/id/MAPG-7N9GN8\n\n----------------------------------------------------------------------\n\nAbout:\nThis Advisory was delivered by Secunia as a free service to help\neverybody keeping their systems up to date against the latest\nvulnerabilities. \n\nSubscribe:\nhttp://secunia.com/advisories/secunia_security_advisories/\n\nDefinitions: (Criticality, Where etc.)\nhttp://secunia.com/advisories/about_secunia_advisories/\n\n\nPlease Note:\nSecunia recommends that you verify all advisories you receive by\nclicking the link. \nSecunia NEVER sends attached files with advisories. \nSecunia does not advise people to install third party patches, only\nuse those supplied by the vendor. \n\n----------------------------------------------------------------------\n\nUnsubscribe: Secunia Security Advisories\nhttp://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org\n\n----------------------------------------------------------------------\n\n\n. \n\nSOLUTION:\nThe vendor has published workarounds",
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VAR-200904-0328
Vulnerability from variot - Updated: 2025-04-10 20:04Blue Coat ProxySG, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header. Proxy servers running in interception mode ("transparent" proxies) that make connection decisions based on HTTP header values may be used by an attacker to relay connections. Multiple HTTP proxy implementations are prone to an information-disclosure vulnerability related to the interpretation of the 'Host' HTTP header. Specifically, this issue occurs when the proxy makes a forwarding decision based on the 'Host' HTTP header instead of the destination IP address. Attackers may exploit this issue to obtain sensitive information such as internal intranet webpages. Additional attacks may also be possible.
SOLUTION: As a workaround, the vendor recommends to "configure Guardian to block their internal web servers without passwords using hostname and IPaddress". ----------------------------------------------------------------------
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TITLE: Ziproxy HTTP "Host:" Header Security Bypass
SECUNIA ADVISORY ID: SA34018
VERIFY ADVISORY: http://secunia.com/advisories/34018/
DESCRIPTION: A security issue has been reported in Ziproxy, which can be exploited by malicious people to bypass certain security restrictions. This can be exploited to e.g. access restricted websites or bypass a browser's security context protection mechanism by sending HTTP requests with a forged HTTP "Host:" header.
Successful exploitation requires that the attacker can forge the HTTP "Host:" header (e.g. via active content).
The security issue is reported in version 2.6.0. Other versions may also be affected.
SOLUTION: The vendor recommends to use a proxy server with better security capabilities between clients and Ziproxy. Use a firewall to restrict access to untrusted websites.
PROVIDED AND/OR DISCOVERED BY: US-CERT credits Robert Auger, PayPal Information Risk Management team.
ORIGINAL ADVISORY: US-CERT VU#435052: http://www.kb.cert.org/vuls/id/435052
http://www.kb.cert.org/vuls/id/MAPG-7N9GN8
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/advisories/secunia_security_advisories/
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.
SOLUTION: The vendor has published workarounds
Show details on source website{
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CVE-2009-0804 (GCVE-0-2009-0804)
Vulnerability from nvd – Published: 2009-03-04 16:00 – Updated: 2024-09-16 19:40
VLAI
EPSS
VEX
Summary
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/33858 | vdb-entryx_refsource_BID |
| http://www.kb.cert.org/vuls/id/435052 | third-party-advisoryx_refsource_CERT-VN |
| http://www.kb.cert.org/vuls/id/MAPG-7N9GN8 | x_refsource_CONFIRM |
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CVE-2009-0804 (GCVE-0-2009-0804)
Vulnerability from cvelistv5 – Published: 2009-03-04 16:00 – Updated: 2024-09-16 19:40
VLAI
EPSS
VEX
Summary
Ziproxy 2.6.0, when transparent interception mode is enabled, uses the HTTP Host header to determine the remote endpoint, which allows remote attackers to bypass access controls for Flash, Java, Silverlight, and probably other technologies, and possibly communicate with restricted intranet sites, via a crafted web page that causes a client to send HTTP requests with a modified Host header.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
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|---|---|
| http://www.securityfocus.com/bid/33858 | vdb-entryx_refsource_BID |
| http://www.kb.cert.org/vuls/id/435052 | third-party-advisoryx_refsource_CERT-VN |
| http://www.kb.cert.org/vuls/id/MAPG-7N9GN8 | x_refsource_CONFIRM |
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