CVE-2015-5252

NameCVE-2015-5252
Descriptionvfs.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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-379-1, DSA-3433-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)jessie, jessie (security)2:4.2.14+dfsg-0+deb8u9fixed
stretch2:4.5.12+dfsg-2+deb9u1fixed
stretch (security)2:4.5.12+dfsg-2+deb9u2fixed
buster2:4.8.2+dfsg-1fixed
sid2:4.8.2+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasource(unstable)2:4.1.22+dfsg-1medium
sambasourcejessie2:4.1.17+dfsg-2+deb8u1mediumDSA-3433-1
sambasourcesqueeze2:3.5.6~dfsg-3squeeze13mediumDLA-379-1
sambasourcewheezy2:3.6.6-6+deb7u6mediumDSA-3433-1

Notes

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

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