Linux Kernel 2.6 cleanup_journal_tail input validation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.6. It has been declared as problematic. This affects the function cleanup_journal_tail. The manipulation results in input validation. This vulnerability is cataloged as CVE-2011-4132. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel 2.6 (Operating System). Affected is the function cleanup_journal_tail. 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. CVE summarizes:

The cleanup_journal_tail function in the Journaling Block Device (JBD) functionality in the Linux kernel 2.6 allows local users to cause a denial of service (assertion error and kernel oops) via an ext3 or ext4 image with an "invalid log first block value."

The weakness was shared 01/27/2012 as Bug 753341 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2011-4132. 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 known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 69585 (Amazon Linux AMI : kernel (ALAS-2011-26)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350692 (Amazon Linux Security Advisory for kernel: ALAS-2012-055).

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 X-Force (71290), Tenable (69585), SecurityFocus (BID 50663†), SecurityTracker (ID 1026325†) and Vulnerability Center (SBV-33959†). The entries VDB-4416, VDB-4434, VDB-4553 and VDB-4488 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 69585
Nessus Name: Amazon Linux AMI : kernel (ALAS-2011-26)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 881222
OpenVAS Name: CentOS Update for kernel CESA-2012:0007 centos5
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: 8762202dd0d6e46854f786bdb6fb3780a1625efe

Timelineinfo

10/18/2011 🔍
11/01/2011 +14 days 🔍
11/14/2011 +13 days 🔍
11/29/2011 +15 days 🔍
01/27/2012 +59 days 🔍
01/27/2012 +0 days 🔍
03/23/2015 +1151 days 🔍
12/23/2024 +3563 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 753341
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-4132 (🔍)
GCVE (CVE): GCVE-0-2011-4132
GCVE (VulDB): GCVE-100-60024

OVAL: 🔍
IAVM: 🔍

X-Force: 71290
SecurityFocus: 50663 - Linux Kernel 'journal_get_superblock()' Function Local Denial of Service Vulnerability
Secunia: 48898
SecurityTracker: 1026325
Vulnerability Center: 33959 - Linux Kernel 2.6.39-rc3 and Earlier journal_get_superblock() Local Denial of Service Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/23/2024 06:28
Changes: 03/23/2015 16:50 (63), 04/05/2017 15:00 (11), 11/29/2021 08:42 (7), 11/29/2021 08:45 (1), 12/23/2024 06:28 (21)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!