CVE-2015-5252

Name	CVE-2015-5252
Description	vfs.c in smbd in Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3, when share names with certain substring relationships exist, allows remote attackers to bypass intended file-access restrictions via a symlink that points outside of a share.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-379-1, DSA-3433-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
samba (PTS)	buster, buster (security)	2:4.9.5+dfsg-5+deb10u3	fixed
	bullseye (security), bullseye	2:4.13.13+dfsg-1~deb11u5	fixed
	bookworm	2:4.17.6+dfsg-1	fixed
	sid	2:4.17.7+dfsg-1	fixed

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

Package	Type	Release	Fixed Version	Origin
samba	source	squeeze	2:3.5.6~dfsg-3squeeze13	DLA-379-1
samba	source	wheezy	2:3.6.6-6+deb7u6	DSA-3433-1
samba	source	jessie	2:4.1.17+dfsg-2+deb8u1	DSA-3433-1
samba	source	(unstable)	2:4.1.22+dfsg-1

https://www.samba.org/samba/security/CVE-2015-5252.html