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Insecure Library Loading
Moderately critical

UnZip "inflate_dynamic()" Uninitialized Pointers Vulnerability

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Release Date:  2008-03-18    Views:  8,342

Secunia Advisory SA29415

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


A vulnerability has been reported in UnZip, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to the use of uninitialized pointers in the "inflate_dynamic()" function in inflate.c. This can potentially be exploited to free an attacker-controlled memory region and execute arbitrary code via a specially crafted ZIP compressed file.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in version 5.52. Other versions may also be affected.


Solution:
Do not process untrusted archives using UnZip.

Provided and/or discovered by:
rPath credits Tavis Ormandy.

Original Advisory:
https://issues.rpath.com/browse/RPL-2317

Deep Links:
Links available to Secunia VIM customers

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: UnZip "inflate_dynamic()" Uninitialized Pointers Vulnerability

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