2009-2698 | Linux Kernel udp_sendmsg null pointer dereference (BID-36108 / XFDB-52941)

By Max On Aug 20, 2021

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.
7.9	$0-$5k	0.13

A vulnerability classified as critical has been found in Linux Kernel 2.6.16.59 (Operating System). Affected is the function udp_sendmsg. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-476. This is going to have an impact on confidentiality, integrity, and availability.

The issue has been introduced in 03/20/2006. The weakness was published 08/27/2009 by Tavis Ormandy (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2009-2698 since 08/05/2009. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn’t require any form of authentication. Technical details and a public exploit are known.

A public exploit has been developed by INetCop Security in ANSI C and been published 4 days after the advisory. It is declared as proof-of-concept. The exploit is shared for download at securityfocus.com. The vulnerability was handled as a non-public zero-day exploit for at least 1256 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 41322 (SuSE9 Security Update : Linux kernel (YOU Patch Number 12487)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155830 (Oracle Enterprise Linux Update for Kernel (ELSA-2009-1222)).

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 SecurityFocus (BID 36108), X-Force (52941), Vulnerability Center (SBV-23283) and Tenable (41322).

Type

Vendor

Name

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.4
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Class: Denial of service
CWE: CWE-476
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: INetCop Security
Programming Language: 🔍
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
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Nessus ID: 41322
Nessus Name: SuSE9 Security Update : Linux kernel (YOU Patch Number 12487)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 64755
OpenVAS Name: Debian Security Advisory DSA 1872-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

03/20/2006 🔍
08/05/2009 +1233 days 🔍
08/24/2009 +19 days 🔍
08/24/2009 +0 days 🔍
08/25/2009 +1 days 🔍
08/27/2009 +2 days 🔍
08/27/2009 +0 days 🔍
08/31/2009 +4 days 🔍
08/31/2009 +0 days 🔍
09/24/2009 +24 days 🔍
03/18/2015 +2001 days 🔍
08/20/2021 +2347 days 🔍Vendor: https://www.kernel.org/