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smcFanControl "main()" Privilege Escalation Vulnerability
Secunia Advisory: SA32679
Release Date: 2008-11-12
Last Update: 2009-02-26
Popularity: 1,221 views

Critical:
Less critical
Impact: Privilege escalation
Where: Local system
Solution Status: Vendor Patch

Software:smcFanControl 2.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
KaiJern Lau has reported a vulnerability in smcFanControl, which can be exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to a boundary error in the "main()" function of the "smc" setuid root binary. This can be exploited to cause a stack-based buffer overflow via an overly long "-k" option.

Successful exploitation allows the execution of arbitrary code with escalated privileges.

The vulnerability is reported in version 2.1.2. Prior versions may also be affected.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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