CVE-2013-6442

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-03-14 · updated 2026-06-17
Weakness: CWE-264

Description

The 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.

Affected products

Samba: 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5 (+16)

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html
http://lists.opensuse.org/opensuse-updates/2014-03/msg00062.html
http://www.samba.org/samba/history/samba-4.0.16.html
http://www.samba.org/samba/history/samba-4.1.6.html
http://www.samba.org/samba/security/CVE-2013-6442
http://www.securityfocus.com/bid/66232
https://bugzilla.samba.org/show_bug.cgi?id=10327
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136864.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134717.html
http://lists.opensuse.org/opensuse-updates/2014-03/msg00062.html
http://www.samba.org/samba/history/samba-4.0.16.html

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