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Secunia Advisory SA11361

Linux Kernel ISO9660 Buffer Overflow Privilege Escalation Vulnerability
Secunia Advisory SA11361
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Release Date 2004-04-15
   
Popularity 15,562 views
Comments 0 comments

Criticality level Less criticalLess critical
Impact Privilege escalation
Where Local system
Authentication level Available in Customer Area
   
Report reliability Available in Customer Area
Solution Status Vendor Patch
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Operating System
Linux Kernel 2.4.x
Linux Kernel 2.5.x
Linux Kernel 2.6.x

Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2004-0109 CVSS available in Customer Area
  

Description

iDEFENSE has discovered a vulnerability in the Linux kernel, which can be exploited by malicious, local users to gain escalated privileges on a vulnerable system.

The vulnerability is caused due to a boundary error within the ISO9660 ("isofs") file system component when handling symbolic links. This can be exploited to cause a buffer overflow via an overly long symbolic link on e.g. a mounted CDROM.

Successful exploitation may allow arbitrary code execution with root or kernel level privileges.

The vulnerability reportedly affects the 2.4.x, 2.5.x, and 2.6.x kernel branches.


Solution
Update to Linux kernel versions 2.4.26 and 2.6.6-rc1.
Further details available in Customer Area

Provided and/or discovered by
Greg MacManus, iDEFENSE Labs.

Original Advisory
http://www.idefense.com/application/poi/display?id=101&type=vulnerabilities

Deep Links
Links available in Customer Area


Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Linux Kernel ISO9660 Buffer Overflow Privilege Escalation Vulnerability
 
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