Red Hat Enterprise Linux 6 Filesystem fs/namei.c do_filp_open access control

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Red Hat Enterprise Linux 6. This affects the function do_filp_open of the file fs/namei.c of the component Filesystem. Performing a manipulation results in access control. This vulnerability is identified as CVE-2013-2188. The attack is only possible with local access. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Red Hat Enterprise Linux 6 (Operating System). This affects the function do_filp_open of the file fs/namei.c of the component Filesystem. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on availability. The summary by CVE is:

A certain Red Hat patch to the do_filp_open function in fs/namei.c in the kernel package before 2.6.32-358.11.1.el6 on Red Hat Enterprise Linux (RHEL) 6 does not properly handle failure to obtain write permissions, which allows local users to cause a denial of service (system crash) by leveraging access to a filesystem that is mounted read-only.

The weakness was released 06/10/2013 by Mateusz Guzik with Red Hat as not defined bug report (Red Hat Security Advisory). The advisory is shared at rhn.redhat.com. This vulnerability is uniquely identified as CVE-2013-2188 since 02/19/2013. An attack has to be approached locally. Required for exploitation is a authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 66887 (CentOS 6 : kernel (CESA-2013:0911)), 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 121410 (CentOS Security Update for Kernel (CESA-2013:0911)).

Upgrading to version kernel-2.6.32-358.11.1.el6 eliminates this vulnerability. The upgrade is hosted for download at rhn.redhat.com.

The vulnerability is also documented in the databases at X-Force (85877), Tenable (66887), SecurityFocus (BID 61195†), OSVDB (95385†) and Vulnerability Center (SBV-42711†). Entries connected to this vulnerability are available at VDB-9110, VDB-9111 and VDB-64082. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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: 66887
Nessus Name: CentOS 6 : kernel (CESA-2013:0911)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise Linux kernel-2.6.32-358.11.1.el6

Timelineinfo

02/19/2013 🔍
06/10/2013 +111 days 🔍
06/13/2013 +3 days 🔍
06/17/2013 +3 days 🔍
07/16/2013 +29 days 🔍
07/19/2013 +3 days 🔍
12/24/2013 +158 days 🔍
05/18/2021 +2702 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: rhn.redhat.com
Researcher: Mateusz Guzik
Organization: Red Hat
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-2188 (🔍)
GCVE (CVE): GCVE-0-2013-2188
GCVE (VulDB): GCVE-100-9561

OVAL: 🔍

X-Force: 85877
SecurityFocus: 61195
OSVDB: 95385
Vulnerability Center: 42711 - Linux Kernel on Rad Hat Enterprise Linux before 2.6.32-358.11.1.el6 Local DoS Vulnerability by Levereging Filesystem Access, Medium

See also: 🔍

Entryinfo

Created: 07/19/2013 11:45
Updated: 05/18/2021 23:05
Changes: 07/19/2013 11:45 (51), 03/12/2019 08:15 (24), 05/18/2021 22:50 (4), 05/18/2021 23:05 (1)
Complete: 🔍
Committer:
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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