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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200311-03">
<title>HylaFAX: Remote code exploit in hylafax</title>
<synopsis>
A format bug condition allows a remote attacjer to execute arbitrary code as
the root user.
</synopsis>
<product type="ebuild">HylaFAX</product>
<announced>2003-11-10</announced>
<revised>2003-11-10: 01</revised>
<bug>33368</bug>
<access>remote</access>
<affected>
<package name="net-misc/hylafax" auto="yes" arch="*">
<unaffected range="ge">4.1.8</unaffected>
<vulnerable range="le">4.1.7</vulnerable>
</package>
</affected>
<background>
<p>
HylaFAX is a popular client-server fax package.
</p>
</background>
<description>
<p>
During a code review of the hfaxd server, the SuSE Security Team discovered
a format bug condition that allows a remote attacker to execute arbitrary
code as the root user. However, the bug cannot be triggered in the default
hylafax configuration.
</p>
</description>
<impact type="normal">
<p>
A remote attacker could execute arbitrary code with root privileges.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
Users are encouraged to perform an 'emerge sync' and upgrade the package to
the latest available version. Vulnerable versions of hylafax have been
removed from portage. Specific steps to upgrade:
</p>
<code>
# emerge sync
# emerge -pv '>=net-misc/hylafax-4.1.8'
# emerge '>=net-misc/hylafax-4.1.8'
# emerge clean</code>
</resolution>
<references>
<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0886">CAN-2003-0886</uri>
<uri link="http://www.novell.com/linux/security/advisories/2003_045_hylafax.html">SuSE Security Announcment</uri>
</references>
</glsa>
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