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Home >> Browse Vulnerability Assessment Database >> Debian Local Security Checks >> [DSA652] DSA-652-1 unarj


Vulnerability Assessment Details

[DSA652] DSA-652-1 unarj

Vulnerability Assessment Summary
DSA-652-1 unarj

Detailed Explanation for this Vulnerability Assessment

Several vulnerabilities have been discovered in unarj, a non-free ARJ
unarchive utility. The Common Vulnerabilities and Exposures Project
identifies the following vulnerabilities:
A buffer overflow has been discovered when handling long file
names contained in an archive. A possible hacker could create a
specially crafted archive which could cause unarj to crash or
possibly execute arbitrary code when being extracted by a victim.
A directory traversal vulnerability has been found so that an
attacker could create a specially crafted archive which would
create files in the parent directory when being extracted by a
victim. When used recursively, this vulnerability could be used
to overwrite critical system files and programs.
For the stable distribution (woody) these problems have been fixed in
version 2.43-3woody1.
For the unstable distribution (sid) these problems don't apply since
unstable/non-free does not contain the unarj package.
We recommend that you upgrade your unarj package.


Solution : http://www.debian.org/security/2005/dsa-652
Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi

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