Linux Kernel 2.6.32.61/3.10.26/3.12.7 net/rds/ib.c rds_ib_laddr_check resource management

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Linux Kernel 2.6.32.61/3.10.26/3.12.7. Affected is the function rds_ib_laddr_check of the file net/rds/ib.c. Executing a manipulation can lead to resource management. This vulnerability is tracked as CVE-2013-7339. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel 2.6.32.61/3.10.26/3.12.7 (Operating System). This vulnerability affects the function rds_ib_laddr_check of the file net/rds/ib.c. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The rds_ib_laddr_check function in net/rds/ib.c in the Linux kernel before 3.12.8 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a bind system call for an RDS socket on a system that lacks RDS transports.

The issue has been introduced in 12/03/2009. The weakness was disclosed 03/20/2014 by Sasha Levin as CVE-2013-7339 Linux kernel - rds: prevent dereference of a NULL device as confirmed posting (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2013-7339 since 03/20/2014. The exploitation appears to be easy. 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. Responsible for the vulnerability is the following code:

if (ret || cm_id->device->node_type != RDMA_NODE_IB_CA)

The vulnerability was handled as a non-public zero-day exploit for at least 1568 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 74458 (RHEL 5 : kernel (RHSA-2014:0740)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167228 (SUSE Enterprise Linux Security Update for Linux Kernel (SUSE-SU-2014:0807-1)).

Upgrading eliminates this vulnerability. The upgrade is hosted for download at git.kernel.org. The vulnerability will be addressed with the following lines of code:

if (ret || !cm_id->device ||
	    cm_id->device->node_type != RDMA_NODE_IB_CA)

The vulnerability is also documented in the databases at X-Force (91985), Tenable (74458), SecurityFocus (BID 66351†), Secunia (SA57284†) and Vulnerability Center (SBV-44396†). The entries VDB-11302, VDB-11755, VDB-12214 and VDB-12411 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.4

VulDB Base Score: 6.2
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 74458
Nessus Name: RHEL 5 : kernel (RHSA-2014:0740)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702906
OpenVAS Name: Debian Security Advisory DSA 2906-1 (linux-2.6 - privilege escalation/denial of service/information leak)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: git.kernel.org

Timelineinfo

12/03/2009 🔍
03/20/2014 +1568 days 🔍
03/20/2014 +0 days 🔍
03/20/2014 +0 days 🔍
03/20/2014 +0 days 🔍
03/21/2014 +1 days 🔍
03/24/2014 +3 days 🔍
03/25/2014 +1 days 🔍
05/05/2014 +41 days 🔍
06/11/2014 +37 days 🔍
06/16/2021 +2562 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: CVE-2013-7339 Linux kernel - rds: prevent dereference of a NULL device
Researcher: Sasha Levin
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-7339 (🔍)
GCVE (CVE): GCVE-0-2013-7339
GCVE (VulDB): GCVE-100-12682

OVAL: 🔍

X-Force: 91985 - Linux Kernel rds_ib_laddr_check() denial of service, Medium Risk
SecurityFocus: 66351 - Linux Kernel CVE-2013-7339 NULL Pointer Dereference Local Denial of Service Vulnerability
Secunia: 57284 - Linux Kernel "rds_ib_laddr_check()" NULL Pointer Dereference Vulnerability, Not Critical
Vulnerability Center: 44396 - Linux Kernel <3.12.8 Local DoS Vulnerability via Bind System Call for RDS Socket, Medium

See also: 🔍

Entryinfo

Created: 03/25/2014 09:08
Updated: 06/16/2021 08:47
Changes: 03/25/2014 09:08 (81), 05/27/2017 10:42 (9), 06/16/2021 08:47 (3)
Complete: 🔍
Cache ID: 216:0A3:103