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<?xml version="1.0" encoding="utf-8"?>
<glsa id="200711-10">
<title>Mono: Buffer overflow</title>
Mono's BigInteger implementation contains a buffer overflow vulnerability
that might lead to the execution of arbitrary code.
<product type="ebuild">mono</product>
<announced>November 07, 2007</announced>
<revised>November 07, 2007: 01</revised>
<package name="dev-lang/mono" auto="yes" arch="*">
<unaffected range="ge"></unaffected>
<vulnerable range="lt"></vulnerable>
Mono provides the necessary software to develop and run .NET client and
server applications on various platforms.
IOActive discovered an error in the Mono.Math.BigInteger class, in the
reduction step of the Montgomery-based Pow methods, that could lead to
a buffer overflow.
<impact type="high">
A remote attacker could exploit this vulnerability by sending specially
crafted data to Mono applications using the BigInteger class, which
might lead to the execution of arbitrary code with the privileges of
the user running the application (possibly root) or a Denial of
There is no known workaround at this time.
All Mono users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose &quot;&gt;=dev-lang/mono-;</code>
<uri link="">CVE-2007-5197</uri>
<metadata tag="submitter" timestamp="Sat, 03 Nov 2007 23:52:57 +0000">
<metadata tag="bugReady" timestamp="Wed, 07 Nov 2007 22:49:37 +0000">