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>> Linux Kernel "dccp_setsockopt_change()" Integer Overflow Vulnerability

Title : Linux Kernel "dccp_setsockopt_change()" Integer Overflow Vulnerability
VUPEN ID : VUPEN/ADV-2008-2406
CVE ID : CVE-2008-3276
CWE ID : CWE-189
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2008-08-19


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified in Linux Kernel, which could be exploited by attackers to cause a denial of service or potentially compromise a vulnerable system. This issue is caused by an integer overflow error in the "dccp_setsockopt_change()" [net/dccp/proto.c] function when processing user-supplied data, which could allow attackers to panic a vulnerable system or potentially execute arbitrary code.

Affected Products

Linux Kernel versions 2.6.x

Solution

Apply patch :
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git;a=commit;h=3e8a0a559c66ee9e7468195691a56fefc3589740

References

http://www.vupen.com/english/advisories/2008/2406
http://www.openwall.com/lists/oss-security/2008/08/15/3

Credits

Vulnerability reported by Eugene Teo (Red Hat Security Response Team).

ChangeLog

2008-08-19 : Initial release

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