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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200704-23">
<title>capi4k-utils: Buffer overflow</title>
<synopsis>
capi4k-utils is vulnerable to a buffer overflow in the bufprint() function.
</synopsis>
<product type="ebuild">capi4k-utils</product>
<announced>April 27, 2007</announced>
<revised>April 27, 2007: 01</revised>
<bug>170870</bug>
<access>local</access>
<affected>
<package name="net-dialup/capi4k-utils" auto="yes" arch="*">
<unaffected range="ge">20050718-r3</unaffected>
<vulnerable range="lt">20050718-r3</vulnerable>
</package>
</affected>
<background>
<p>
capi4k-utils is a set of utilities for accessing COMMON-ISDN-API
software interfaces for ISDN devices.
</p>
</background>
<description>
<p>
The bufprint() function in capi4k-utils fails to properly check
boundaries of data coming from CAPI packets.
</p>
</description>
<impact type="high">
<p>
A local attacker could possibly escalate privileges or cause a Denial
of Service by sending a crafted CAPI packet.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All capi4k-utils users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=net-dialup/capi4k-utils-20050718-r3&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2007-1217">CVE-2007-1217</uri>
</references>
<metadata tag="requester" timestamp="Sat, 24 Mar 2007 12:42:52 +0000">
jaervosz
</metadata>
<metadata tag="submitter" timestamp="Mon, 02 Apr 2007 14:51:21 +0000">
aetius
</metadata>
<metadata tag="bugReady" timestamp="Tue, 03 Apr 2007 22:29:34 +0000">
falco
</metadata>
</glsa>