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Family: Windows --> Category: infos

7-Zip ARJ File Overflow Vulnerability Vulnerability Scan

Vulnerability Scan Summary
Checks version of arj.dll from 7-Zip

Detailed Explanation for this Vulnerability Test

Synopsis :

The remote Windows host contains a library that is affected by a
buffer overflow vulnerability.

Description :

The remote host contains a version of the open-source 7-Zip file
archiver and included in third-party products such as Knownsoft's
Turbo Searcher.

The version of this software installed on the remote host contains a
buffer overflow in its ARJ file handling library that is triggered
when handling an ARJ block greater than 2600 bytes. If a possible hacker
can trick a user on the affected host into opening a specially-crafted
ARJ archive file, he can leverage this issue to execute arbitrary code
on the host subject to the user's rights.

See also :

Solution :

Either contact the application's vendor for an update or upgrade to
7-Zip 4.27 beta ( or later.

Threat Level:

High / CVSS Base Score : 8

Click HERE for more information and discussions on this network vulnerability scan.


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