Linux Kernel up to 2.6.37.6 br_multicast_add_group config

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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 2.6.37.6. It has been rated as problematic. Affected by this vulnerability is the function br_multicast_add_group. The manipulation leads to config. This vulnerability is documented as CVE-2011-0716. There is not any exploit available.

Detailsinfo

A vulnerability was found in Linux Kernel up to 2.6.37.6 (Operating System) and classified as critical. This issue affects the function br_multicast_add_group. The manipulation with an unknown input leads to a config vulnerability. Using CWE to declare the problem leads to CWE-16. Impacted is availability. The summary by CVE is:

The br_multicast_add_group function in net/bridge/br_multicast.c in the Linux kernel before 2.6.38, when a certain Ethernet bridge configuration is used, allows local users to cause a denial of service (memory corruption and system crash) by sending IGMP packets to a local interface.

The issue has been introduced in 01/04/2011. The weakness was released 06/21/2012 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2011-0716. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592.004 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 428 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 58268 (Ubuntu 10.04 LTS : linux-lts-backport-maverick vulnerabilities (USN-1387-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155411 (Oracle Enterprise Linux Update for kernel (ELSA-2011-0421)).

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 (66730), Tenable (58268), SecurityFocus (BID 46433†) and Vulnerability Center (SBV-31256†). Entry connected to this vulnerability is available at VDB-56542. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Config
CWE: CWE-16
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: 58268
Nessus Name: Ubuntu 10.04 LTS : linux-lts-backport-maverick vulnerabilities (USN-1387-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 870731
OpenVAS Name: RedHat Update for kernel RHSA-2011:0421-01
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: 6b0d6a9b4296fa16a28d10d416db7a770fc03287

Timelineinfo

01/04/2011 🔍
01/31/2011 +26 days 🔍
02/11/2011 +11 days 🔍
02/11/2011 +0 days 🔍
04/27/2011 +75 days 🔍
03/07/2012 +315 days 🔍
06/21/2012 +106 days 🔍
06/21/2012 +0 days 🔍
03/23/2015 +1005 days 🔍
12/05/2021 +2449 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-1387-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-0716 (🔍)
GCVE (CVE): GCVE-0-2011-0716
GCVE (VulDB): GCVE-100-61061

OVAL: 🔍

X-Force: 66730
SecurityFocus: 46433 - Linux Kernel 'net/bridge/br_multicast.c' Local Denial of Service Vulnerability
Vulnerability Center: 31256 - Linux Kernel 2.6.38-rc2 and Prior Local Denial of Service Vulnerability via a Crafted IGMP Packets, Low

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/05/2021 08:33
Changes: 03/23/2015 16:50 (64), 03/22/2017 09:28 (9), 12/05/2021 08:29 (7), 12/05/2021 08:33 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!