OpenVZ vzkernel 2.6.32 compat_quotactl access control

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in OpenVZ vzkernel 2.6.32. This affects the function compat_quotactl. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2013-2239. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in OpenVZ vzkernel 2.6.32. This vulnerability affects the function compat_quotactl. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality. CVE summarizes:

vzkernel before 042stab080.2 in the OpenVZ modification for the Linux kernel 2.6.32 does not initialize certain length variables, which allows local users to obtain sensitive information from kernel stack memory via (1) a crafted ploop driver ioctl call, related to the ploop_getdevice_ioc function in drivers/block/ploop/dev.c, or (2) a crafted quotactl system call, related to the compat_quotactl function in fs/quota/quota.c.

The weakness was presented 11/12/2013 by Jonathan Salwan with Sysdream (Website). The advisory is available at security-tracker.debian.org. This vulnerability was named CVE-2013-2239 since 02/19/2013. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 70200 (Debian DSA-2766-1 : linux-2.6 - privilege escalation/denial of service/information leak), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 2.6.32 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (85445), Tenable (70200), SecurityFocus (BID 60977†), Secunia (SA55055†) and Vulnerability Center (SBV-43310†). See VDB-10115 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 70200
Nessus Name: Debian DSA-2766-1 : linux-2.6 - privilege escalation/denial of service/information leak
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 892766
OpenVAS Name: Debian Security Advisory DSA 2766-1 (linux-2.6 - privilege escalation/denial of service/information leak
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: vzkernel 2.6.32

Timelineinfo

02/19/2013 🔍
07/04/2013 +135 days 🔍
07/04/2013 +0 days 🔍
09/27/2013 +85 days 🔍
11/12/2013 +46 days 🔍
11/12/2013 +0 days 🔍
02/17/2014 +97 days 🔍
03/24/2015 +400 days 🔍
01/10/2022 +2484 days 🔍

Sourcesinfo

Advisory: DSA-2766
Researcher: Jonathan Salwan
Organization: Sysdream
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-2239 (🔍)
GCVE (CVE): GCVE-0-2013-2239
GCVE (VulDB): GCVE-100-65458

OVAL: 🔍

X-Force: 85445
SecurityFocus: 60977 - OpenVZ Kernel Memory Leak Multiple Local Information Disclosure Vulnerabilities
Secunia: 55055 - Red Hat update for kernel, Not Critical
Vulnerability Center: 43310 - Linux Kernel 2.6.32 Local Information Disclosure Vulnerability from in OpenVZ vzkernel, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/10/2022 11:18
Changes: 03/24/2015 15:54 (68), 05/21/2017 14:06 (8), 01/10/2022 11:04 (3), 01/10/2022 11:11 (1), 01/10/2022 11:18 (2)
Complete: 🔍
Cache ID: 216::103

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