Samba up to 2.2.12 check_mtab input validation

CVSS Meta Temp Score
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CTI Interest Score
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2.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Samba up to 2.2.12. It has been rated as problematic. Affected by this vulnerability is the function check_mtab. Performing a manipulation results in input validation. This vulnerability was named CVE-2011-2724. There is no available exploit.

Detailsinfo

A vulnerability was found in Samba up to 2.2.12 (File Transfer Software). It has been classified as problematic. This affects the function check_mtab. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. The summary by CVE is:

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.

The weakness was presented 09/06/2011 as Bug 726691 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2011-2724. The exploitability is told to be difficult. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 56272 (CentOS 5 : samba3x (CESA-2011:1220)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119665 (CentOS Security Update for samba3x (CESA-2011:1220)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (56272), SecurityTracker (ID 1025984†) and Vulnerability Center (SBV-32990†). See VDB-57056 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.9
VulDB Meta Temp Score: 2.8

VulDB Base Score: 2.9
VulDB Temp Score: 2.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 56272
Nessus Name: CentOS 5 : samba3x (CESA-2011:1220)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 880985
OpenVAS Name: CentOS Update for samba3x CESA-2011:1220 centos5 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 1e7a32924b22d1f786b6f490ce8590656f578f91

Timelineinfo

02/19/2010 🔍
07/11/2011 +506 days 🔍
09/06/2011 +57 days 🔍
09/06/2011 +0 days 🔍
09/07/2011 +1 days 🔍
03/23/2015 +1293 days 🔍
01/26/2025 +3597 days 🔍

Sourcesinfo

Product: samba.org

Advisory: Bug 726691
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-2724 (🔍)
GCVE (CVE): GCVE-0-2011-2724
GCVE (VulDB): GCVE-100-58443

OVAL: 🔍

Secunia: 45798
SecurityTracker: 1025984
Vulnerability Center: 32990 - Samba 3.5.10 and earlier Local Denial of Service Vulnerability via a Crafted String, Low

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/26/2025 19:45
Changes: 03/23/2015 16:50 (58), 03/31/2017 12:08 (7), 11/18/2021 18:16 (7), 11/18/2021 18:23 (1), 01/26/2025 19:45 (21)
Complete: 🔍
Cache ID: 216::103

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