CVE-2010-2951

Home/CVE/dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP D

CVE

dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP D

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.

MEDIUM · CVSS 5 EPSS 0.55183

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EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
EPSS percentile: top 2% of all CVEs by exploitation likelihood

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Affected Products & Versions

squid-cache squidall versions

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Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

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

Published to NVD12 Oct 2010 · 09:00 PM

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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=2PatchVendor Advisory

http://www.openwall.com/lists/oss-security/2010/08/24/6

Show all 11 references

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

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