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Fedora Update Notification
FEDORA-2004-414
2004-11-11
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Product     : Fedora Core 2
Name        : unarj
Version     : 2.63a
Release     : 7
Summary     : An uncompressor for .arj format archive files.
Description :
The UNARJ program is used to uncompress .arj format archives.  The .arj
format archive was mostly used on DOS machines.

Install the unarj package if you need to uncompress .arj format
archives.

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Update Information:

A buffer overflow bug has been discovered in unarj when handling long
file names contained in an archive. An attacker could create an archive
with a specially crafted path which could cause unarj to crash or
execute arbitrary instructions.  The Common Vulnerabilities and
Exposures project (cve.mitre.org) has assigned the name CAN-2004-0947 to
this issue.

Additionally, a path traversal vulnerability exists in unarj which
allows an attacker to extract files to the parent ("..") directory. When
used recursively, this vulnerability can be used to overwrite critical
system files and programs.

Users of unarj are advised to upgrade to these packages.
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* Wed Nov 10 2004 Lon Hohberger <lhh@redhat.com> 2.63a-7

- Fix directory traversal & buffer overflow. #138468

* Tue Jun 15 2004 Elliot Lee <sopwith@redhat.com>

- rebuilt


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This update can be downloaded from:
    

7cd2b05ac20893645d2d5307bec0bd44  SRPMS/unarj-2.63a-7.src.rpm
373d4ac8b936d388deeec2ef34195783  x86_64/unarj-2.63a-7.x86_64.rpm
8db05c7d97465cb809a520839799e69e  x86_64/debug/unarj-
debuginfo-2.63a-7.x86_64.rpm
663a0b4cfa78c48f54ed531ed4ec5404  i386/unarj-2.63a-7.i386.rpm
dd4778dc2519de5b5dfb787a5f290ccf  i386/debug/unarj-
debuginfo-2.63a-7.i386.rpm

This update can also be installed with the Update Agent; you can
launch the Update Agent with the 'up2date' command.
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