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>> Linux Kernel "isofs_get_blocks()" ISO9660 Local Denial of Service Vulnerability

Title : Linux Kernel "isofs_get_blocks()" ISO9660 Local Denial of Service Vulnerability
VUPEN ID : VUPEN/ADV-2006-4359
CVE ID : CVE-2006-5757
Rated as : Low Risk 
Remotely Exploitable : No
Locally Exploitable : Yes
Release Date : 2006-11-06


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  Receive VUPEN Security notifications by SMS 

A vulnerability has been identified in Linux Kernel, which could be exploited by malicious users to cause a denial of service. This flaw is due to an infinite loop in the "isofs_get_blocks()" function when handling corrupted data structures, which could be exploited by local attackers to crash a vulnerable system via a malicious ISO9660 image, creating a denial of service condition.

Affected Products

Linux Kernel version 2.6.18 and prior

Solution

Apply patch :
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=summary

References

http://www.vupen.com/english/advisories/2006/4359
http://projects.info-pull.com/mokb/MOKB-05-11-2006.html

Credits

Vulnerability reported by LMH

ChangeLog

2006-11-06 : Initial release
2006-11-07 : Updated Solution

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