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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 31.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 31.46% probability · 98th percentile
- CISA KEV
- Not listed
- Affected
- squid-cache/squid
- Source
- secalert@redhat.com
References
- http://bazaar.launchpad.net/~squid/squid/3.1/revision/10072Patch
- http://bugs.gentoo.org/show_bug.cgi?id=334263
- http://bugs.squid-cache.org/show_bug.cgi?id=3009
- http://bugs.squid-cache.org/show_bug.cgi?id=3021
- http://marc.info/?l=squid-users&m=128263555724981&w=2Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2010/08/24/6
- http://www.openwall.com/lists/oss-security/2010/08/24/7
- http://www.openwall.com/lists/oss-security/2010/08/25/2Patch
- http://www.openwall.com/lists/oss-security/2010/08/25/6
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10072.patchPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=626927
- http://bazaar.launchpad.net/~squid/squid/3.1/revision/10072Patch
- http://bugs.gentoo.org/show_bug.cgi?id=334263
- http://bugs.squid-cache.org/show_bug.cgi?id=3009
- http://bugs.squid-cache.org/show_bug.cgi?id=3021
- http://marc.info/?l=squid-users&m=128263555724981&w=2Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2010/08/24/6
- http://www.openwall.com/lists/oss-security/2010/08/24/7
- http://www.openwall.com/lists/oss-security/2010/08/25/2Patch
- http://www.openwall.com/lists/oss-security/2010/08/25/6
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10072.patchPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=626927
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.