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10 vulnerabilities found for webrick by ruby-lang

CVE-2025-6442 (GCVE-0-2025-6442)

Vulnerability from nvd – Published: 2025-06-25 16:52 – Updated: 2025-06-25 20:42
VLAI?
Title
Ruby WEBrick read_header HTTP Request Smuggling Vulnerability
Summary
Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.
Severity ?
6.5 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
CWE
  • CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
zdi
References
Impacted products
Vendor Product Version
Ruby WEBrick Affected: 1.8.1
Create a notification for this product.
Show details on NVD website
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CVE-2020-25613 (GCVE-0-2020-25613)

Vulnerability from nvd – Published: 2020-10-06 00:00 – Updated: 2024-08-04 15:33
VLAI?
Summary
An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy (which also has a poor header check), which may lead to an HTTP Request Smuggling attack.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-11879 (GCVE-0-2019-11879)

Vulnerability from nvd – Published: 2019-05-10 16:00 – Updated: 2024-08-04 23:03 Disputed
VLAI?
Summary
The WEBrick gem 1.4.2 for Ruby allows directory traversal if the attacker once had local access to create a symlink to a location outside of the web root directory. NOTE: The vendor states that this is analogous to Options FollowSymlinks in the Apache HTTP Server, and therefore it is "not a problem.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2009-4492 (GCVE-0-2009-4492)

Vulnerability from nvd – Published: 2010-01-13 20:00 – Updated: 2024-08-07 07:01
VLAI?
Summary
WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2008-1145 (GCVE-0-2008-1145)

Vulnerability from nvd – Published: 2008-03-04 23:00 – Updated: 2024-08-07 08:08
VLAI?
Summary
Directory traversal vulnerability in WEBrick in Ruby 1.8 before 1.8.5-p115 and 1.8.6-p114, and 1.9 through 1.9.0-1, when running on systems that support backslash (\) path separators or case-insensitive file names, allows remote attackers to access arbitrary files via (1) "..%5c" (encoded backslash) sequences or (2) filenames that match patterns in the :NondisclosureName option.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0123 x_refsource_CONFIRM
http://support.apple.com/kb/HT2163 x_refsource_CONFIRM
http://secunia.com/advisories/29357 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/archive/1/490056/100… mailing-listx_refsource_BUGTRAQ
http://www.kb.cert.org/vuls/id/404515 third-party-advisoryx_refsource_CERT-VN
http://www.securityfocus.com/bid/28123 vdb-entryx_refsource_BID
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
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http://www.vupen.com/english/advisories/2008/1981… vdb-entryx_refsource_VUPEN
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http://secunia.com/advisories/29232 third-party-advisoryx_refsource_SECUNIA
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://secunia.com/advisories/31687 third-party-advisoryx_refsource_SECUNIA
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https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
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http://secunia.com/advisories/32371 third-party-advisoryx_refsource_SECUNIA
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://secunia.com/advisories/29536 third-party-advisoryx_refsource_SECUNIA
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
http://wiki.rpath.com/Advisories:rPSA-2008-0123 x_refsource_CONFIRM
Show details on NVD website
To clipboard 

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CVE-2025-6442 (GCVE-0-2025-6442)

Vulnerability from cvelistv5 – Published: 2025-06-25 16:52 – Updated: 2025-06-25 20:42
VLAI?
Title
Ruby WEBrick read_header HTTP Request Smuggling Vulnerability
Summary
Ruby WEBrick read_header HTTP Request Smuggling Vulnerability. This vulnerability allows remote attackers to smuggle arbitrary HTTP requests on affected installations of Ruby WEBrick. This issue is exploitable when the product is deployed behind an HTTP proxy that fulfills specific conditions. The specific flaw exists within the read_headers method. The issue results from the inconsistent parsing of terminators of HTTP headers. An attacker can leverage this vulnerability to smuggle arbitrary HTTP requests. Was ZDI-CAN-21876.
Severity ?
6.5 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
CWE
  • CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Assigner
zdi
References
Impacted products
Vendor Product Version
Ruby WEBrick Affected: 1.8.1
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2020-25613 (GCVE-0-2020-25613)

Vulnerability from cvelistv5 – Published: 2020-10-06 00:00 – Updated: 2024-08-04 15:33
VLAI?
Summary
An issue was discovered in Ruby through 2.5.8, 2.6.x through 2.6.6, and 2.7.x through 2.7.1. WEBrick, a simple HTTP server bundled with Ruby, had not checked the transfer-encoding header value rigorously. An attacker may potentially exploit this issue to bypass a reverse proxy (which also has a poor header check), which may lead to an HTTP Request Smuggling attack.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2019-11879 (GCVE-0-2019-11879)

Vulnerability from cvelistv5 – Published: 2019-05-10 16:00 – Updated: 2024-08-04 23:03 Disputed
VLAI?
Summary
The WEBrick gem 1.4.2 for Ruby allows directory traversal if the attacker once had local access to create a symlink to a location outside of the web root directory. NOTE: The vendor states that this is analogous to Options FollowSymlinks in the Apache HTTP Server, and therefore it is "not a problem.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2009-4492 (GCVE-0-2009-4492)

Vulnerability from cvelistv5 – Published: 2010-01-13 20:00 – Updated: 2024-08-07 07:01
VLAI?
Summary
WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2008-1145 (GCVE-0-2008-1145)

Vulnerability from cvelistv5 – Published: 2008-03-04 23:00 – Updated: 2024-08-07 08:08
VLAI?
Summary
Directory traversal vulnerability in WEBrick in Ruby 1.8 before 1.8.5-p115 and 1.8.6-p114, and 1.9 through 1.9.0-1, when running on systems that support backslash (\) path separators or case-insensitive file names, allows remote attackers to access arbitrary files via (1) "..%5c" (encoded backslash) sequences or (2) filenames that match patterns in the :NondisclosureName option.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0123 x_refsource_CONFIRM
http://support.apple.com/kb/HT2163 x_refsource_CONFIRM
http://secunia.com/advisories/29357 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/archive/1/490056/100… mailing-listx_refsource_BUGTRAQ
http://www.kb.cert.org/vuls/id/404515 third-party-advisoryx_refsource_CERT-VN
http://www.securityfocus.com/bid/28123 vdb-entryx_refsource_BID
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.securityfocus.com/archive/1/489205/100… mailing-listx_refsource_BUGTRAQ
http://www.vupen.com/english/advisories/2008/1981… vdb-entryx_refsource_VUPEN
https://www.exploit-db.com/exploits/5215 exploitx_refsource_EXPLOIT-DB
http://secunia.com/advisories/29232 third-party-advisoryx_refsource_SECUNIA
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://secunia.com/advisories/31687 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/archive/1/489218/100… mailing-listx_refsource_BUGTRAQ
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
http://www.redhat.com/support/errata/RHSA-2008-08… vendor-advisoryx_refsource_REDHAT
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://www.ruby-lang.org/en/news/2008/03/03/webri… x_refsource_CONFIRM
http://www.vupen.com/english/advisories/2008/0787 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/30802 third-party-advisoryx_refsource_SECUNIA
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://www.securitytracker.com/id?1019562 vdb-entryx_refsource_SECTRACK
https://issues.rpath.com/browse/RPL-2338 x_refsource_CONFIRM
http://secunia.com/advisories/32371 third-party-advisoryx_refsource_SECUNIA
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://secunia.com/advisories/29536 third-party-advisoryx_refsource_SECUNIA
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
http://wiki.rpath.com/Advisories:rPSA-2008-0123 x_refsource_CONFIRM
Show details on NVD website
To clipboard 

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