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[ GLSA 200404-07 ] ClamAV RAR Archive Remote Denial Of Service Vulnerability
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GLSA
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Joined: 13 Jun 2003
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PostPosted: Wed Apr 07, 2004 7:01 pm    Post subject: [ GLSA 200404-07 ] ClamAV RAR Archive Remote Denial Of Servi Reply with quote

Gentoo Linux Security Advisory

Title: ClamAV RAR Archive Remote Denial Of Service Vulnerability (GLSA 200404-07)
Severity: normal
Exploitable: remote
Date: April 07, 2004
Updated: May 22, 2006
Bug(s): #45357
ID: 200404-07

Synopsis


ClamAV is vulnerable to a denial of service attack when processing certain
RAR archives.


Background


From http://www.clamav.net/ :

"Clam AntiVirus is a GPL anti-virus toolkit for UNIX. The main purpose
of this software is the integration with mail servers (attachment
scanning). The package provides a flexible and scalable multi-threaded
daemon, a command line scanner, and a tool for automatic updating via
Internet. The programs are based on a shared library distributed with
the Clam AntiVirus package, which you can use with your own software.
Most importantly, the virus database is kept up to date."


Affected Packages

Package: app-antivirus/clamav
Vulnerable: <= 0.68
Unaffected: >= 0.68.1
Architectures: All supported architectures


Description


Certain types of RAR archives, including those created by variants of
the W32.Beagle.A@mm worm, may cause clamav to crash when it attempts to
process them.


Impact


This vulnerability causes a Denial of Service in the clamav process.
Depending on configuration, this may cause dependent services such as
mail to fail as well.


Workaround


A workaround is not currently known for this issue. All users are
advised to upgrade to the latest version of the affected package.


Resolution


ClamAV users should upgrade to version 0.68.1 or later:
Code:
# emerge sync
   
    # emerge -pv ">=app-antivirus/clamav-0.68.1"
# emerge ">=app-antivirus/clamav-0.68.1"


References

CVE-2004-1909


Last edited by GLSA on Tue Dec 03, 2013 4:16 am; edited 6 times in total
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