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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="200711-21">
<title>Bochs: Multiple vulnerabilities</title>
<synopsis>
Multiple vulnerabilities have been discovered in Bochs, possibly allowing
for the execution of arbitrary code or a Denial of Service.
</synopsis>
<product type="ebuild">bochs</product>
<announced>November 17, 2007</announced>
<revised>November 17, 2007: 01</revised>
<bug>188148</bug>
<access>local</access>
<affected>
<package name="app-emulation/bochs" auto="yes" arch="*">
<unaffected range="ge">2.3</unaffected>
<vulnerable range="lt">2.3</vulnerable>
</package>
</affected>
<background>
<p>
Bochs is a IA-32 (x86) PC emulator written in C++.
</p>
</background>
<description>
<p>
Tavis Ormandy of the Google Security Team discovered a heap-based
overflow vulnerability in the NE2000 driver (CVE-2007-2893). He also
discovered a divide-by-zero error in the emulated floppy disk
controller (CVE-2007-2894).
</p>
</description>
<impact type="high">
<p>
A local attacker in the guest operating system could exploit these
issues to execute code outside of the virtual machine, or cause Bochs
to crash.
</p>
</impact>
<workaround>
<p>
There is no known workaround at this time.
</p>
</workaround>
<resolution>
<p>
All Bochs users should upgrade to the latest version:
</p>
<code>
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=app-emulation/bochs-2.3&quot;</code>
</resolution>
<references>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2893">CVE-2007-2893</uri>
<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2894">CVE-2007-2894</uri>
</references>
<metadata tag="requester" timestamp="Sat, 29 Sep 2007 14:10:20 +0000">
p-y
</metadata>
<metadata tag="bugReady" timestamp="Sat, 29 Sep 2007 14:11:15 +0000">
p-y
</metadata>
<metadata tag="submitter" timestamp="Thu, 01 Nov 2007 20:22:24 +0000">
p-y
</metadata>
</glsa>