Linux Kernel 2.6.16.9 sk_add_backlog 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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Linux Kernel 2.6.16.9. This issue affects the function sk_add_backlog. This manipulation causes resource management. This vulnerability appears as CVE-2010-4805. There is no available exploit.

Detailsinfo

A vulnerability has been found in Linux Kernel 2.6.16.9 (Operating System) and classified as critical. Affected by this vulnerability is the function sk_add_backlog. 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. The summary by CVE is:

The socket implementation in net/core/sock.c in the Linux kernel before 2.6.35 does not properly manage a backlog of received packets, which allows remote attackers to cause a denial of service by sending a large amount of network traffic, related to the sk_add_backlog function and the sk_rmem_alloc socket field. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-4251.

The issue has been introduced in 03/20/2006. The weakness was presented 05/26/2011 as Bug 657303 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2010-4805 since 05/26/2011. The exploitation appears to be easy. The attack needs to be initiated within the local network. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1893 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 53422 (CentOS 5 : kernel (CESA-2011:0303)), 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 155448 (Oracle Enterprise Linux Update for Kernel (ELSA-2011-0303)).

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 (67864), Tenable (53422), SecurityFocus (BID 46637†) and Vulnerability Center (SBV-32140†). See VDB-57522 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 53422
Nessus Name: CentOS 5 : kernel (CESA-2011:0303)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 840746
OpenVAS Name: Ubuntu Update for linux-mvl-dove USN-1203-1
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: c377411f2494a931ff7facdbb3a6839b1266bcf6

Timelineinfo

03/20/2006 🔍
03/02/2010 +1443 days 🔍
03/02/2010 +0 days 🔍
05/26/2011 +450 days 🔍
05/26/2011 +0 days 🔍
05/26/2011 +0 days 🔍
07/10/2011 +45 days 🔍
03/23/2015 +1352 days 🔍
11/07/2021 +2421 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 657303
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-4805 (🔍)
GCVE (CVE): GCVE-0-2010-4805
GCVE (VulDB): GCVE-100-57523

OVAL: 🔍

X-Force: 67864
SecurityFocus: 46637 - Linux Kernel Unix Socket Backlog Local Denial of Service Vulnerability
Vulnerability Center: 32140 - Linux kernel before 2.6.35 Local Denial of Service Vulnerability, Low

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/07/2021 20:11
Changes: 03/23/2015 16:50 (62), 03/25/2017 21:23 (13), 11/07/2021 19:56 (4), 11/07/2021 20:04 (11), 11/07/2021 20:11 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!