National Cyber Awareness System

Vulnerability Summary for CVE-2011-2724

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=726691

Type: Patch Information

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=726691

External Source: MLIST

Name: [oss-security] 20110729 CVE-2011-2724 assignment notification -- samba -- incomplete fix for CVE-2010-0547 issue

Type: Patch Information

Hyperlink:http://openwall.com/lists/oss-security/2011/07/29/9

External Source: CONFIRM

Name: http://git.samba.org/?p=cifs-utils.git;a=commit;h=1e7a32924b22d1f786b6f490ce8590656f578f91

Type: Patch Information

Hyperlink:http://git.samba.org/?p=cifs-utils.git;a=commit;h=1e7a32924b22d1f786b6f490ce8590656f578f91

External Source: CONFIRM

Name: http://comments.gmane.org/gmane.linux.kernel.cifs/3827

Type: Patch Information

Hyperlink:http://comments.gmane.org/gmane.linux.kernel.cifs/3827

External Source: SECTRACK

Name: 1025984

Hyperlink:http://www.securitytracker.com/id?1025984

External Source: REDHAT

Name: RHSA-2011:1221

Type: Advisory

Hyperlink:http://www.redhat.com/support/errata/RHSA-2011-1221.html

External Source: REDHAT

Name: RHSA-2011:1220

Type: Advisory

Hyperlink:http://www.redhat.com/support/errata/RHSA-2011-1220.html

External Source: MANDRIVA

Name: MDVSA-2011:148

Hyperlink:http://www.mandriva.com/security/advisories?name=MDVSA-2011:148

External Source: SECUNIA

Name: 45798

Type: Advisory

Hyperlink:http://secunia.com/advisories/45798