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TITLE: UNARJ Filename Handling Buffer Overflow Vulnerability
SECUNIA ADVISORY ID: SA13177
VERIFY ADVISORY: http://secunia.com/advisories/13177/
CRITICAL: Moderately critical
IMPACT: System access
WHERE: >From remote
SOFTWARE: UNARJ 2.x http://secunia.com/product/4036/
DESCRIPTION: A vulnerability has been reported in UNARJ, which potentially can be exploited by malicious people to compromise a user's system.
The vulnerability is caused due to a boundary error within the handling of long filenames in archives. This can be exploited to cause a buffer overflow by tricking a user into opening a malicious archive with a specially crafted path.
Successful exploitation may allow execution of arbitrary code.
SOLUTION: The vendor reports that UNARJ is just a demonstration product and should not be used on production systems.
The vendor recommends users to use ARJ instead.
PROVIDED AND/OR DISCOVERED BY: First reported in a Fedora advisory.
ORIGINAL ADVISORY: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=138468
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/
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