Vulnerability Monitor

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CVE-2010-2951

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.

Published

2010-10-12T21:00:01.710

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	squid-cache	squid	3.1.6	Yes

References

http://bazaar.launchpad.net/~squid/squid/3.1/revision/10072 Patch ([email protected])
http://bugs.gentoo.org/show_bug.cgi?id=334263 ([email protected])
http://bugs.squid-cache.org/show_bug.cgi?id=3009 ([email protected])
http://bugs.squid-cache.org/show_bug.cgi?id=3021 ([email protected])
http://marc.info/?l=squid-users&m=128263555724981&w=2 Patch, Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2010/08/24/6 ([email protected])
http://www.openwall.com/lists/oss-security/2010/08/24/7 ([email protected])
http://www.openwall.com/lists/oss-security/2010/08/25/2 Patch ([email protected])
http://www.openwall.com/lists/oss-security/2010/08/25/6 ([email protected])
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10072.patch Patch ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=626927 ([email protected])
http://bazaar.launchpad.net/~squid/squid/3.1/revision/10072 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://bugs.gentoo.org/show_bug.cgi?id=334263 (af854a3a-2127-422b-91ae-364da2661108)
http://bugs.squid-cache.org/show_bug.cgi?id=3009 (af854a3a-2127-422b-91ae-364da2661108)
http://bugs.squid-cache.org/show_bug.cgi?id=3021 (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=squid-users&m=128263555724981&w=2 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/08/24/6 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/08/24/7 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/08/25/2 Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2010/08/25/6 (af854a3a-2127-422b-91ae-364da2661108)
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10072.patch Patch (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=626927 (af854a3a-2127-422b-91ae-364da2661108)