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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200509-13">
<title>Clam AntiVirus: Multiple vulnerabilities</title>
Clam AntiVirus is subject to vulnerabilities ranging from Denial of Service
to execution of arbitrary code when handling compressed executables.
<product type="ebuild">clamav</product>
<announced>September 19, 2005</announced>
<revised>September 19, 2005: 01</revised>
<package name="app-antivirus/clamav" auto="yes" arch="*">
<unaffected range="ge">0.87</unaffected>
<vulnerable range="lt">0.87</vulnerable>
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.
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 type="high">
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.
There is no known workaround at this time.
All Clam AntiVirus users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=app-antivirus/clamav-0.87&quot;</code>
<uri link="">CAN-2005-2919</uri>
<uri link="">CAN-2005-2920</uri>
<uri link="">Clam AntiVirus: Release Notes</uri>
<metadata tag="submitter" timestamp="Sun, 18 Sep 2005 16:20:33 +0000">
<metadata tag="bugReady" timestamp="Sun, 18 Sep 2005 16:20:41 +0000">