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6 vulnerabilities by denyhosts
CVE-2007-5715 (GCVE-0-2007-5715)
Vulnerability from nvd – Published: 2007-10-30 19:00 – Updated: 2024-08-07 15:39
VLAI
EPSS
VEX
Summary
DenyHosts 2.6 processes OpenSSH sshd "not listed in AllowUsers" log messages with an incorrect regular expression that does not match an IP address, which might allow remote attackers to avoid detection and blocking when making invalid login attempts with a username not present in AllowUsers, as demonstrated by the root username, a different vulnerability than CVE-2007-4323.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=237449 | x_refsource_CONFIRM |
| http://osvdb.org/45298 | vdb-entryx_refsource_OSVDB |
| http://bugs.gentoo.org/show_bug.cgi?id=181213 | x_refsource_CONFIRM |
Date Public
2007-10-13 00:00
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CVE-2007-4323 (GCVE-0-2007-4323)
Vulnerability from nvd – Published: 2007-08-14 00:00 – Updated: 2024-08-07 14:53
VLAI
EPSS
VEX
Summary
DenyHosts 2.6 does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a client protocol version identification containing an IP address string, a different vector than CVE-2006-6301.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://osvdb.org/42482 | vdb-entryx_refsource_OSVDB |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| https://bugzilla.redhat.com/bugzilla/show_bug.cgi… | x_refsource_CONFIRM |
| http://www.ossec.net/en/attacking-loganalysis.html | x_refsource_MISC |
| http://www.securityfocus.com/bid/26061 | vdb-entryx_refsource_BID |
| http://bugs.gentoo.org/show_bug.cgi?id=181213 | x_refsource_CONFIRM |
| http://secunia.com/advisories/27254 | third-party-advisoryx_refsource_SECUNIA |
| http://security.gentoo.org/glsa/glsa-200710-14.xml | vendor-advisoryx_refsource_GENTOO |
Date Public
2007-07-28 00:00
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CVE-2006-6301 (GCVE-0-2006-6301)
Vulnerability from nvd – Published: 2006-12-06 19:00 – Updated: 2024-08-07 20:19
VLAI
EPSS
VEX
Summary
DenyHosts 2.5 does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a login name containing certain strings with an IP address, which is not properly handled by a regular expression.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| http://bugs.gentoo.org/show_bug.cgi?id=157163 | x_refsource_CONFIRM |
| http://www.vupen.com/english/advisories/2006/4876 | vdb-entryx_refsource_VUPEN |
| http://secunia.com/advisories/23236 | third-party-advisoryx_refsource_SECUNIA |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| http://www.securityfocus.com/bid/21468 | vdb-entryx_refsource_BID |
| http://secunia.com/advisories/23603 | third-party-advisoryx_refsource_SECUNIA |
| http://security.gentoo.org/glsa/glsa-200701-01.xml | vendor-advisoryx_refsource_GENTOO |
Date Public
2006-12-04 00:00
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CVE-2007-5715 (GCVE-0-2007-5715)
Vulnerability from cvelistv5 – Published: 2007-10-30 19:00 – Updated: 2024-08-07 15:39
VLAI
EPSS
VEX
Summary
DenyHosts 2.6 processes OpenSSH sshd "not listed in AllowUsers" log messages with an incorrect regular expression that does not match an IP address, which might allow remote attackers to avoid detection and blocking when making invalid login attempts with a username not present in AllowUsers, as demonstrated by the root username, a different vulnerability than CVE-2007-4323.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=237449 | x_refsource_CONFIRM |
| http://osvdb.org/45298 | vdb-entryx_refsource_OSVDB |
| http://bugs.gentoo.org/show_bug.cgi?id=181213 | x_refsource_CONFIRM |
Date Public
2007-10-13 00:00
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CVE-2007-4323 (GCVE-0-2007-4323)
Vulnerability from cvelistv5 – Published: 2007-08-14 00:00 – Updated: 2024-08-07 14:53
VLAI
EPSS
VEX
Summary
DenyHosts 2.6 does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a client protocol version identification containing an IP address string, a different vector than CVE-2006-6301.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://osvdb.org/42482 | vdb-entryx_refsource_OSVDB |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| https://bugzilla.redhat.com/bugzilla/show_bug.cgi… | x_refsource_CONFIRM |
| http://www.ossec.net/en/attacking-loganalysis.html | x_refsource_MISC |
| http://www.securityfocus.com/bid/26061 | vdb-entryx_refsource_BID |
| http://bugs.gentoo.org/show_bug.cgi?id=181213 | x_refsource_CONFIRM |
| http://secunia.com/advisories/27254 | third-party-advisoryx_refsource_SECUNIA |
| http://security.gentoo.org/glsa/glsa-200710-14.xml | vendor-advisoryx_refsource_GENTOO |
Date Public
2007-07-28 00:00
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CVE-2006-6301 (GCVE-0-2006-6301)
Vulnerability from cvelistv5 – Published: 2006-12-06 19:00 – Updated: 2024-08-07 20:19
VLAI
EPSS
VEX
Summary
DenyHosts 2.5 does not properly parse sshd log files, which allows remote attackers to add arbitrary hosts to the /etc/hosts.deny file and cause a denial of service by adding arbitrary IP addresses to the sshd log file, as demonstrated by logging in via ssh with a login name containing certain strings with an IP address, which is not properly handled by a regular expression.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| http://bugs.gentoo.org/show_bug.cgi?id=157163 | x_refsource_CONFIRM |
| http://www.vupen.com/english/advisories/2006/4876 | vdb-entryx_refsource_VUPEN |
| http://secunia.com/advisories/23236 | third-party-advisoryx_refsource_SECUNIA |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| http://www.securityfocus.com/bid/21468 | vdb-entryx_refsource_BID |
| http://secunia.com/advisories/23603 | third-party-advisoryx_refsource_SECUNIA |
| http://security.gentoo.org/glsa/glsa-200701-01.xml | vendor-advisoryx_refsource_GENTOO |
Date Public
2006-12-04 00:00
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