55 lines
1.9 KiB
XML
55 lines
1.9 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="201111-06">
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<title>MaraDNS: Arbitrary code execution</title>
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<synopsis>A buffer overflow vulnerability in MaraDNS allows remote attackers
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to execute arbitrary code or cause a Denial of Service.
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</synopsis>
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<product type="ebuild">MaraDNS</product>
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<announced>2011-11-20</announced>
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<revised count="1">2011-11-20</revised>
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<bug>352569</bug>
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<access>remote</access>
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<affected>
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<package name="net-dns/maradns" auto="yes" arch="*">
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<unaffected range="ge">1.4.06</unaffected>
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<vulnerable range="lt">1.4.06</vulnerable>
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</package>
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</affected>
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<background>
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<p>MaraDNS is a proxy DNS server with permanent caching.</p>
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</background>
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<description>
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<p>A long DNS hostname with a large number of labels could trigger a buffer
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overflow in the compress_add_dlabel_points() function of dns/Compress.c.
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</p>
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</description>
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<impact type="high">
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<p>A remote unauthenticated attacker could execute arbitrary code or cause
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a Denial of Service.
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</p>
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</impact>
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<workaround>
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<p>There is no known workaround at this time.</p>
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</workaround>
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<resolution>
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<p>All MaraDNS users should upgrade to the latest stable version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=net-dns/maradns-1.4.06"
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</code>
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<p>NOTE: This is a legacy GLSA. Updates for all affected architectures are
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available since February 12, 2011. It is likely that your system is
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already no longer affected by this issue.
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</p>
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</resolution>
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<references>
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<uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0520">CVE-2011-0520</uri>
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</references>
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<metadata timestamp="2011-10-07T23:37:03Z" tag="requester">
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underling
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</metadata>
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<metadata timestamp="2011-11-20T17:56:41Z" tag="submitter">ackle</metadata>
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</glsa>
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