CVE-2013-4115

Publication date 9 August 2013

Last updated 24 July 2024

Ubuntu priority

Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2 through 3.2.11 and 3.3 through 3.3.6 allows remote attackers to cause a denial of service (memory corruption and server termination) via a long name in a DNS lookup request.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
squid3	13.04 raring	Not affected
	12.10 quantal	Not affected
	12.04 LTS precise	Not affected
	10.04 LTS lucid	Not affected

Notes

mdeslaur

this only affects 3.2+ although upstream has a patch for older versions, 3.1 and older perform URL validation before hitting the affected code, so they aren't vulnerable to the security issue. saucy has vulnerable version in -proposed

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
squid3	Upstream: http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9200.patch Upstream: http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10487.patch Upstream: http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12587.patch

CVE-2013-4115

Status

Notes

mdeslaur

Patch details

References

Other references