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Secunia Advisory SA13756

Linux Kernel Binary Format Loaders Privilege Escalation
Secunia Advisory SA13756
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Release Date 2005-01-10
Last Update 2005-01-20
   
Popularity 15,749 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 Partial Fix
   
Systems affected Available in Customer Area
Approve distribution Available in Customer Area
   
Operating System
Linux Kernel 2.4.x
Linux Kernel 2.6.x
Secunia CVSS Score Available in Customer Area
CVE Reference(s) CVE-2004-1235 CVSS available in Customer Area
  

Description

Paul Starzetz has reported a vulnerability in the Linux kernel, which can be exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to errors in the binary format loaders within the memory management.

Successful exploitation allows execution of arbitrary code with root privileges.

The vulnerability has been reported in the 2.4 branch up to and including version 2.4.29-rc2, and in the 2.6 branch up to and including version 2.6.10.


Solution
The vulnerability has been fixed in version 2.4.29.
Further details available in Customer Area

Provided and/or discovered by
Paul Starzetz

Changelog
Further details available in Customer Area

Original Advisory
http://www.isec.pl/vulnerabilities/isec-0021-uselib.txt

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 Binary Format Loaders Privilege Escalation
 
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