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PostPosted: Sat Mar 05, 2005 2:25 am 
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Joined: Mon Mar 15, 2004 8:17 pm
Posts: 415
Location: ny
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Fedora Legacy Update Advisory

Synopsis: Updated unarj package fixes security issue
Advisory ID: FLSA:2272
Issue date: 2005-02-01
Product: Red Hat Linux, Fedora Core
Keywords: Bugfix
Cross references: https://bugzilla.fedora.us/show_bug.cgi?id=2272
CVE Names: CAN-2004-0947 CAN-2004-1027
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1. Topic:

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 archives.

2. Relevant releases/architectures:

Red Hat Linux 7.3 - i386
Red Hat Linux 9 - i386
Fedora Core 1 - i386

3. Problem description:

A buffer overflow bug was discovered in unarj when handling long file
names contained in an archive. An attacker 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
CAN-2004-0947 to this issue.

Additionally, a path traversal vulnerability was discovered in unarj. An
attacker could create a specially crafted archive which would create
files in the parent (â€


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