Public Date:
726691: CVE-2011-2724 samba, cifs-utils: mount.cifs incorrect fix for CVE-2010-0547

The MITRE CVE dictionary describes this issue as:

The check_mtab function in client/mount.cifs.c in mount.cifs in smbfs in Samba 3.5.10 and earlier does not properly verify that the (1) device name and (2) mountpoint strings are composed of valid characters, which allows local users to cause a denial of service (mtab corruption) via a crafted string. NOTE: this vulnerability exists because of an incorrect fix for CVE-2010-0547.

Find out more about CVE-2011-2724 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 2.6
Base Metrics AV:L/AC:H/Au:N/C:N/I:P/A:P
Access Vector Local
Access Complexity High
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 5 (samba3x) RHSA-2011:1220 2011-08-29
Red Hat Enterprise Linux version 6 RHSA-2011:1221 2011-08-29

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 samba Affected
Red Hat Enterprise Linux version 6 samba 3.5.6-86.el6_1.4 Fixed
Red Hat Enterprise Linux 4 samba Affected
Red Hat Enterprise Linux version 6 cifs-utils 4.8.1-2.el6_1.2 Fixed