CVE-2015-5352

Name	CVE-2015-5352
Description	The x11_open_helper function in channels.c in ssh in OpenSSH before 6.9, when ForwardX11Trusted mode is not used, lacks a check of the refusal deadline for X connections, which makes it easier for remote attackers to bypass intended access restrictions via a connection outside of the permitted time window.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-1500-1, DLA-288-1
Debian Bugs	790798

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openssh (PTS)	bullseye (security), bullseye	1:8.4p1-5+deb11u3	fixed
	bookworm, bookworm (security)	1:9.2p1-2+deb12u3	fixed
	sid, trixie	1:9.9p1-3	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
openssh	source	squeeze	1:5.5p1-6+squeeze6	DLA-288-1
openssh	source	jessie	1:6.7p1-5+deb8u6	DLA-1500-1
openssh	source	(unstable)	1:6.9p1-1		790798

Notes

[wheezy] - openssh <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2015/07/01/7
https://anongit.mindrot.org/openssh.git/commit/?h=V_6_9&id=1bf477d3cdf1a864646d59820878783d42357a1d