Linux Kernel 2.6 cipso_v4_validate memory corruption

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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.6. It has been declared as problematic. Affected is the function cipso_v4_validate. The manipulation results in memory corruption. This vulnerability is identified as CVE-2013-0310. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel 2.6 (Operating System). Affected is the function cipso_v4_validate. 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 availability. CVE summarizes:

The cipso_v4_validate function in net/ipv4/cipso_ipv4.c in the Linux kernel before 3.4.8 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via an IPOPT_CIPSO IP_OPTIONS setsockopt system call.

The weakness was released 07/18/2012 by Alan Cox as 89d7ae34cdda4195809a5a987f697a517a2a3177 as confirmed git commit (GIT Repository). The advisory is shared for download at git.kernel.org. The public release was coordinated with the vendor. This vulnerability is traded as CVE-2013-0310 since 12/06/2012. The exploitability is told to be easy. The attack needs to be approached locally. Required for exploitation is a authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 65134 (CentOS 6 : kernel (CESA-2013:0496)), 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 121101 (CentOS Security Update for Kernel (CESA-2013:0496)).

Applying the patch 89d7ae34cdda4195809a5a987f697a517a2a3177 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (82197), Tenable (65134), SecurityFocus (BID 58052†), OSVDB (90475†) and Secunia (SA52328†). Entries connected to this vulnerability are available at VDB-7433, VDB-7777, VDB-7779 and VDB-63658. 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: 5.5
VulDB Meta Temp Score: 5.3

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

CVSSv2info

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

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 65134
Nessus Name: CentOS 6 : kernel (CESA-2013:0496)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 881682
OpenVAS Name: CentOS Update for kernel CESA-2013:0496 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: 89d7ae34cdda4195809a5a987f697a517a2a3177

Timelineinfo

07/18/2012 🔍
07/18/2012 +0 days 🔍
12/06/2012 +141 days 🔍
02/19/2013 +75 days 🔍
02/19/2013 +0 days 🔍
02/21/2013 +2 days 🔍
02/22/2013 +1 days 🔍
02/22/2013 +0 days 🔍
03/07/2013 +13 days 🔍
05/05/2021 +2981 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: 89d7ae34cdda4195809a5a987f697a517a2a3177
Researcher: Alan Cox
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-0310 (🔍)
GCVE (CVE): GCVE-0-2013-0310
GCVE (VulDB): GCVE-100-7776

OVAL: 🔍

X-Force: 82197
SecurityFocus: 58052 - Linux Kernel CVE-2013-0310 NULL Pointer Dereference Denial of Service Vulnerability
Secunia: 52328 - Red Hat update for kernel, Less Critical
OSVDB: 90475
SecurityTracker: 1028194 - Linux Kernel Null Pointer Dereference in cipso_v4_validate() Lets Local Users Deny Service
Vulnerability Center: 38658 - Linux Kernel Before 3.4.8 Local DoS via an IPOPT_CIPSO IP_OPTIONS Setsocketopt System Call, Medium

See also: 🔍

Entryinfo

Created: 02/22/2013 11:20
Updated: 05/05/2021 12:57
Changes: 02/22/2013 11:20 (82), 04/25/2017 11:38 (6), 05/05/2021 12:57 (3)
Complete: 🔍
Committer:
Cache ID: 216:179:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!