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[ GLSA 200509-13 ] Clam AntiVirus: Multiple vulnerabilities
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GLSA
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Joined: 12 May 2004
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PostPosted: Mon Sep 19, 2005 8:51 am    Post subject: [ GLSA 200509-13 ] Clam AntiVirus: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: Clam AntiVirus: Multiple vulnerabilities (GLSA 200509-13)
Severity: high
Exploitable: remote
Date: September 19, 2005
Bug(s): #106279
ID: 200509-13

Synopsis


Clam AntiVirus is subject to vulnerabilities ranging from Denial of Service
to execution of arbitrary code when handling compressed executables.


Background


Clam AntiVirus is a GPL anti-virus toolkit, designed for
integration with mail servers to perform attachment scanning. Clam
AntiVirus also provides a command line scanner and a tool for fetching
updates of the virus database.


Affected Packages

Package: app-antivirus/clamav
Vulnerable: < 0.87
Unaffected: >= 0.87
Architectures: All supported architectures


Description


Clam AntiVirus is vulnerable to a buffer overflow in
"libclamav/upx.c" when processing malformed UPX-packed executables. It
can also be sent into an infinite loop in "libclamav/fsg.c" when
processing specially-crafted FSG-packed executables.


Impact


By sending a specially-crafted file an attacker could execute
arbitrary code with the permissions of the user running Clam AntiVirus,
or cause a Denial of Service.


Workaround


There is no known workaround at this time.


Resolution


All Clam AntiVirus users should upgrade to the latest version:
Code:
# emerge --sync
    # emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.87"


References

CAN-2005-2919
CAN-2005-2920
Clam AntiVirus: Release Notes


Last edited by GLSA on Wed Mar 12, 2014 4:21 am; edited 3 times in total
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