CVE-2015-5400

Publication date 28 September 2015

Last updated 24 July 2024

Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
squid3	16.04 LTS xenial	Fixed 3.5.12-1ubuntu6
	15.10 wily	Ignored
	15.04 vivid	Ignored
	14.10 utopic	Ignored
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Ignored

Notes

mdeslaur

non-default configuration, and needs substantial backporting There are no current plans to fix this CVE in Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.

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/v3/3.1/changesets/squid-3.1-10494.patch Upstream: http://www.squid-cache.org/Versions/v3/3.4/changesets/squid-3.4-13225.patch

CVE-2015-5400

Status

Notes

mdeslaur

Patch details

References

Other references