Vulnerability Assessment & Network Security Forums
If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Checks version of arj.dll from 7-Zip
Detailed Explanation for this Vulnerability Assessment
The remote Windows host contains a library that is affected by a
buffer overflow vulnerability.
The remote host contains a version of the open-source 7-Zip file
archiver and included in third-party products such as Knownsoft's
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 :
Either contact the application's vendor for an update or upgrade to
7-Zip 4.27 beta (188.8.131.52) or later.
Network Security Threat Level:
High / CVSS Base Score : 8
Networks Security ID: 14925, 21208
Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security
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