Nov 29 2007

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MuZumbu

Extremely Critical Header Buffer Overflow in Apple QuickTime RTSP “Content-Type”

Posted at 7:35 am under Secunia

Secunia Advisory: SA27755
Release Date: 2007-11-26
 
Critical:
Extremely critical
Impact: System access
Where: From remote
Solution Status: Unpatched
 
Software: Apple QuickTime 7.x
 
 

Description:
h07 has discovered a vulnerability in Apple QuickTime, which can be exploited by malicious people to compromise a user’s system.

The vulnerability is caused due to a boundary error when processing RTSP replies and can be exploited to cause a stack-based buffer overflow via a specially crafted RTSP reply containing an overly long “Content-Type” header.

Successful exploitation allows execution of arbitrary code and requires that the user is e.g. tricked into opening a malicious QTL file or visiting a malicious web site.

The vulnerability is confirmed in version 7.3. Other versions may also be affected.

NOTE: A working exploit is publicly available.

Solution:
Do not browse untrusted websites, follow untrusted links, nor open untrusted QTL files.

Provided and/or discovered by:
h07

Original Advisory:
http://www.milw0rm.com/exploits/4648

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