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authorAlex Legler <alex@a3li.li>2015-03-08 22:02:38 +0100
committerAlex Legler <alex@a3li.li>2015-03-08 22:02:38 +0100
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Import existing advisories
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+<?xml version="1.0" encoding="utf-8"?>
+<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
+<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
+<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
+
+<glsa id="200810-03">
+ <title>libspf2: DNS response buffer overflow</title>
+ <synopsis>
+ A memory management error in libspf2 might allow for remote execution of
+ arbitrary code.
+ </synopsis>
+ <product type="ebuild">libspf2</product>
+ <announced>October 30, 2008</announced>
+ <revised>October 30, 2008: 01</revised>
+ <bug>242254</bug>
+ <access>remote</access>
+ <affected>
+ <package name="mail-filter/libspf2" auto="yes" arch="*">
+ <unaffected range="ge">1.2.8</unaffected>
+ <vulnerable range="lt">1.2.8</vulnerable>
+ </package>
+ </affected>
+ <background>
+ <p>
+ libspf2 is a library that implements the Sender Policy Framework,
+ allowing mail transfer agents to make sure that an email is authorized
+ by the domain name that it is coming from. Currently, only the exim MTA
+ uses libspf2 in Gentoo.
+ </p>
+ </background>
+ <description>
+ <p>
+ libspf2 uses a fixed-length buffer to receive DNS responses and does
+ not properly check the length of TXT records, leading to buffer
+ overflows.
+ </p>
+ </description>
+ <impact type="high">
+ <p>
+ A remote attacker could store a specially crafted DNS entry and entice
+ a user or automated system using libspf2 to lookup that SPF entry (e.g.
+ by sending an email to the MTA), possibly allowing for the execution of
+ arbitrary code.
+ </p>
+ </impact>
+ <workaround>
+ <p>
+ There is no known workaround at this time.
+ </p>
+ </workaround>
+ <resolution>
+ <p>
+ All libspf2 users should upgrade to the latest version:
+ </p>
+ <code>
+ # emerge --sync
+ # emerge --ask --oneshot --verbose &quot;&gt;=mail-filter/libspf2-1.2.8&quot;</code>
+ </resolution>
+ <references>
+ <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2469">CVE-2008-2469</uri>
+ </references>
+ <metadata tag="requester" timestamp="Sat, 18 Oct 2008 16:51:58 +0000">
+ rbu
+ </metadata>
+ <metadata tag="submitter" timestamp="Sun, 19 Oct 2008 19:27:11 +0000">
+ rbu
+ </metadata>
+ <metadata tag="bugReady" timestamp="Thu, 23 Oct 2008 13:43:28 +0000">
+ rbu
+ </metadata>
+</glsa>