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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200512-05">
<title>Xmail: Privilege escalation through sendmail</title>
<synopsis>
The sendmail program in Xmail is vulnerable to a buffer overflow,
potentially resulting in local privilege escalation.
</synopsis>
<product type="ebuild">xmail</product>
<announced>2005-12-14</announced>
<revised>2005-12-14: 01</revised>
<bug>109381</bug>
<access>local</access>
<affected>
<package name="mail-mta/xmail" auto="yes" arch="*">
<unaffected range="ge">1.22</unaffected>
<vulnerable range="lt">1.22</vulnerable>
</package>
</affected>
<background>
<p>
Xmail is an Internet and intranet mail server.
</p>
</background>
<description>
<p>
iDEFENSE reported that the AddressFromAtPtr function in the
sendmail program fails to check bounds on arguments passed from other
functions, and as a result an exploitable stack overflow condition
occurs when specifying the "-t" command line option.
</p>
</description>
<impact type="high">
<p>
A local attacker can make a malicious call to sendmail,
potentially resulting in code execution with elevated privileges.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Xmail users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/xmail-1.22"</code>
</resolution>
<references>
<uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2943">CVE-2005-2943</uri>
<uri link="http://www.idefense.com/application/poi/display?id=321&type=vulnerabilities&flashstatus=true">iDEFENSE Security Advisory</uri>
</references>
<metadata tag="requester" timestamp="2005-12-11T18:01:24Z">
koon
</metadata>
<metadata tag="bugReady" timestamp="2005-12-12T15:24:20Z">
koon
</metadata>
<metadata tag="submitter" timestamp="2005-12-13T08:46:36Z">
adir
</metadata>
</glsa>
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