Linux Kernel 2.6.16.9 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel 2.6.16.9. Affected is an unknown function. The manipulation results in memory corruption. This vulnerability is identified as CVE-2010-2492. There is not any exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.16.9 (Operating System). It has been classified as critical. Affected is an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash) via unspecified vectors.

The issue has been introduced in 03/20/2006. The weakness was released 09/08/2010 as confirmed git commit (GIT Repository). The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2010-2492. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 1633 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 68177 (Oracle Linux 6 : kernel (ELSA-2011-0007)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 119701 (VMware ESX Updates to Third Party Libraries and ESX Service Console (VMSA-2011-0012)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the databases at Tenable (68177), SecurityFocus (BID 42237†) and Vulnerability Center (SBV-26697†). Entries connected to this vulnerability are available at VDB-55628, VDB-54954, VDB-54876 and VDB-54800. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.4

VulDB Base Score: 9.3
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 68177
Nessus Name: Oracle Linux 6 : kernel (ELSA-2011-0007)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 68091
OpenVAS Name: Debian Security Advisory DSA 2110-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: a6f80fb7b5986fda663d94079d3bba0937a6b6ff

Timelineinfo

03/20/2006 🔍
06/28/2010 +1560 days 🔍
07/29/2010 +31 days 🔍
07/29/2010 +0 days 🔍
08/08/2010 +10 days 🔍
09/08/2010 +31 days 🔍
09/08/2010 +0 days 🔍
07/12/2013 +1038 days 🔍
03/19/2015 +615 days 🔍
09/24/2021 +2381 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: RHSA-2011:0007
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-2492 (🔍)
GCVE (CVE): GCVE-0-2010-2492
GCVE (VulDB): GCVE-100-54636

OVAL: 🔍
IAVM: 🔍

SecurityFocus: 42237 - Linux Kernel 'ecryptfs_uid_hash()' Local Buffer Overflow Vulnerability
Secunia: 42890
Vulnerability Center: 26697 - Linux Kernel Local Arbitrary Code Execution or DoS Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 09/24/2021 14:13
Changes: 03/19/2015 14:37 (68), 03/02/2017 10:59 (9), 09/24/2021 14:07 (7), 09/24/2021 14:12 (11), 09/24/2021 14:13 (2)
Complete: 🔍
Cache ID: 216:BC9:103

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