CVE-2011-2724

Public on

Last Modified: UTC

Description

The CVE Program 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.

Additional information

  • Bugzilla 726691: cifs-utils: mount.cifs incorrect fix for CVE-2010-0547
  • FAQ: Frequently asked questions about CVE-2011-2724

Common Vulnerability Scoring System (CVSS) Score Details

Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

CVSS v2 Score Breakdown
Red HatNVD

CVSS v2 Base Score

2.6

1.2

Attack Vector

Local

Local

Access Complexity

High

High

Authentication

None

None

Confidentiality Impact

None

None

Integrity Impact

Partial

None

Availability Impact

Partial

Partial

CVSS v2 Vector

Red Hat: AV:L/AC:H/Au:N/C:N/I:P/A:P

NVD: AV:L/AC:H/Au:N/C:N/I:N/A:P

Frequently Asked Questions

Why is Red Hat's CVSS v3 score or Impact different from other vendors?

My product is listed as "Under investigation" or "Affected", when will Red Hat release a fix for this vulnerability?

What can I do if my product is listed as "Will not fix"?

What can I do if my product is listed as "Fix deferred"?

What is a mitigation?

I have a Red Hat product but it is not in the above list, is it affected?

Why is my security scanner reporting my product as vulnerable to this vulnerability even though my product version is fixed or not affected?

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