CVE-2013-6442

NameCVE-2013-6442
DescriptionThe owner_set function in smbcacls.c in smbcacls in Samba 4.0.x before 4.0.16 and 4.1.x before 4.1.6 removes an ACL during use of a --chown or --chgrp option, which allows remote attackers to bypass intended access restrictions in opportunistic circumstances by leveraging an unintended administrative change.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
samba (PTS)stretch2:4.5.16+dfsg-1+deb9u2fixed
stretch (security)2:4.5.16+dfsg-1+deb9u4fixed
buster, buster (security)2:4.9.5+dfsg-5+deb10u3fixed
bullseye, bullseye (security)2:4.13.13+dfsg-1~deb11u3fixed
bookworm, sid2:4.16.1+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
sambasourcesqueeze(not affected)
sambasourcewheezy(not affected)
sambasource(unstable)2:4.1.6+dfsg-1low
samba4sourcewheezy4.0.0~beta2+dfsg1-3.2+deb7u1
samba4source(unstable)(unfixed)

Notes

[squeeze] - samba <not-affected> (Only affects 4.x and later)
[wheezy] - samba <not-affected> (Only affects 4.x and later)
http://www.samba.org/samba/security/CVE-2013-6442

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