Family: Red Hat Local Security Checks --> Category: infos
RHSA-2005-007: unarj Vulnerability Scan
Vulnerability Scan Summary
Check for the version of the unarj packages
Detailed Explanation for this Vulnerability Test
An updated unarj package that fixes a buffer overflow vulnerability and a
directory traversal vulnerability is now available.
The unarj program is an archiving utility which can extract ARJ-compatible
A buffer overflow bug was discovered in unarj 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 extracted by a victim. The Common Vulnerabilities and
Exposures project (cve.mitre.org) has assigned the name CVE-2004-0947 to
Additionally, a path traversal vulnerability was discovered in unarj. An
attacker could create a specially crafted archive which would create files
in the parent ("..") directory when extracted by a victim. When used
recursively, this vulnerability could be used to overwrite critical system
files and programs. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2004-1027 to this issue.
Users of unarj should upgrade to this updated package which contains
backported patches and is not vulnerable to these issues.
Solution : http://rhn.redhat.com/errata/RHSA-2005-007.html
Threat Level: High
Click HERE for more information and discussions on this network vulnerability scan.