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CVE-2010-2951

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Date: October 12, 2010

dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors that trigger an IPv4 DNS response with the TC bit set.

Language: C

Severity Score

Related Resources (15)

http://bugs.gentoo.org/show_bug.cgi?id=334263
https://bugzilla.redhat.com/show_bug.cgi?id=626927
http://bugs.squid-cache.org/show_bug.cgi?id=3021
https://access.redhat.com/security/cve/CVE-2010-2951
https://people.canonical.com/~ubuntu-security/cve/CVE-2010-2951
http://bazaar.launchpad.net/~squid/squid/3.1/revision/10072
http://marc.info/?l=squid-users&m=128263555724981&w=2
https://nvd.nist.gov/vuln/detail/CVE-2010-2951
http://bugs.squid-cache.org/show_bug.cgi?id=3009
http://www.openwall.com/lists/oss-security/2010/08/25/6
http://www.openwall.com/lists/oss-security/2010/08/24/7
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10072.patch
http://www.openwall.com/lists/oss-security/2010/08/24/6
http://www.openwall.com/lists/oss-security/2010/08/25/2
https://www.mend.io/vulnerability-database/CVE-2010-2951

Severity Score

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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