CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.4 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in Linux Kernel 2.6.16.9 (Operating System). Affected is the function br_parse_ip_options
. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:
The br_parse_ip_options function in net/bridge/br_netfilter.c in the Linux kernel before 2.6.39 does not properly initialize a certain data structure, which allows remote attackers to cause a denial of service by leveraging connectivity to a network interface that uses an Ethernet bridge device.
The issue has been introduced in 03/20/2006. The weakness was shared 06/08/2013 by Marcus Meissner (Website). The advisory is available at github.com. This vulnerability is traded as CVE-2011-4087. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 01/03/2022).
The vulnerability was handled as a non-public zero-day exploit for at least 2637 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 55923 (Ubuntu 11.04 : linux vulnerabilities (USN-1193-1)), 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 165282 (SUSE Security Update for Kernel (openSUSE-SU-2012:0236-1)).
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 (71699) and Tenable (55923). The entries 60954 and 64253 are related to this item.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 55923
Nessus Name: Ubuntu 11.04 : linux vulnerabilities (USN-1193-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 850211
OpenVAS Name: SuSE Update for kernel openSUSE-SU-2012:0236-1 (kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: f8e9881c2aef1e982e5abc25c046820cd0b7cf64
Timeline
03/20/2006 🔍10/18/2011 🔍
10/28/2011 🔍
12/08/2011 🔍
12/11/2011 🔍
06/08/2013 🔍
06/08/2013 🔍
03/24/2015 🔍
01/03/2022 🔍
Sources
Vendor: kernel.orgAdvisory: USN-1193-1
Researcher: Marcus Meissner
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-4087 (🔍)
OVAL: 🔍
X-Force: 71699
Vulnerability Center: 33995 - Linux Kernel 2.6.37-rc7 and Earlier Null-Pointer Dereference when Bridging Is in Use, High
SecurityFocus: 50417 - Linux Kernel Network Bridge NULL Pointer Dereference Denial of Service Vulnerability
See also: 🔍
Entry
Created: 03/24/2015 15:54Updated: 01/03/2022 09:24
Changes: 03/24/2015 15:54 (60), 04/05/2017 15:04 (12), 01/03/2022 09:18 (7), 01/03/2022 09:22 (11), 01/03/2022 09:24 (2)
Complete: 🔍
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