2009-2698 | Linux Kernel udp_sendmsg null pointer dereference (BID-36108 / XFDB-52941)
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability classified as critical has been found in Linux Kernel 18.104.22.168 (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.
VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.9
NVD Base Score: 🔍
Class: Denial of service
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/
SecurityFocus: 36108 – Linux Kernel ‘udp_sendmsg()’ MSG_MORE Flag Local Privilege Escalation Vulnerability
Vulnerability Center: 23283 – Linux Kernel 2.6.31 -rc6 and Prior Local Privilege Escalation and Possible DoS Vulnerability, High
scip Labs: https://www.scip.ch/en/?labs.20161013
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