GNU C Library up to 2.12.1 addmntent config

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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in GNU C Library up to 2.12.1. This affects the function addmntent. The manipulation results in config. This vulnerability was named CVE-2011-1089. There is no available exploit.

Detailsinfo

A vulnerability was found in GNU C Library up to 2.12.1 (Software Library). It has been classified as problematic. Affected is the function addmntent. The manipulation with an unknown input leads to a config vulnerability. CWE is classifying the issue as CWE-16. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

The addmntent function in the GNU C Library (aka glibc or libc6) 2.13 and earlier does not report an error status for failed attempts to write to the /etc/mtab file, which makes it easier for local users to trigger corruption of this file, as demonstrated by writes from a process with a small RLIMIT_FSIZE value, a different vulnerability than CVE-2010-0296.

The weakness was presented 04/09/2011 by Dan Rosenberg as Bug 688980 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2011-1089. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.004.

The vulnerability scanner Nessus provides a plugin with the ID 75680 (openSUSE Security Update : ncpfs (openSUSE-SU-2011:0985-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216049 (VMWare ESXi 5.1.0 Patch Complete Update 1 Missing (KB2041632)).

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 (75680), SecurityFocus (BID 46740†) and Vulnerability Center (SBV-33393†). See VDB-4619, VDB-4675, VDB-4996 and VDB-5407 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.1
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Config
CWE: CWE-16
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: 75680
Nessus Name: openSUSE Security Update : ncpfs (openSUSE-SU-2011:0985-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881217
OpenVAS Name: CentOS Update for glibc CESA-2012:0125 centos4
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: 🔍

Timelineinfo

02/24/2011 🔍
03/04/2011 +8 days 🔍
04/09/2011 +36 days 🔍
04/09/2011 +0 days 🔍
04/09/2011 +0 days 🔍
10/03/2011 +177 days 🔍
06/13/2014 +984 days 🔍
03/20/2015 +280 days 🔍
11/02/2021 +2419 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 688980
Researcher: Dan Rosenberg
Status: Confirmed

CVE: CVE-2011-1089 (🔍)
GCVE (CVE): GCVE-0-2011-1089
GCVE (VulDB): GCVE-100-57048

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 46740 - GNU glibc 'addmntent()' Mount Helper Local Denial of Service Vulnerability
Vulnerability Center: 33393 - GNU C Library 2.13 and Earlier Local Denial of Service Vulnerability, Low

See also: 🔍

Entryinfo

Created: 03/20/2015 16:16
Updated: 11/02/2021 07:13
Changes: 03/20/2015 16:16 (66), 04/03/2017 10:40 (10), 11/02/2021 07:07 (3), 11/02/2021 07:13 (1)
Complete: 🔍
Cache ID: 216:7BA:103

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