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70 lines
2.3 KiB
70 lines
2.3 KiB
13 years ago
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<?xml version="1.0" encoding="utf-8"?>
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<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?>
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<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?>
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<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
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<glsa id="200711-27">
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<title>Link Grammar: User-assisted execution of arbitrary code</title>
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<synopsis>
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A buffer overflow vulnerability has been discovered in Link Grammar.
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</synopsis>
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<product type="ebuild">link-grammar</product>
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<announced>November 18, 2007</announced>
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<revised>November 18, 2007: 01</revised>
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<bug>196803</bug>
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<access>remote</access>
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<affected>
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<package name="dev-libs/link-grammar" auto="yes" arch="*">
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<unaffected range="ge">4.2.4-r1</unaffected>
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<vulnerable range="lt">4.2.4-r1</vulnerable>
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</package>
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</affected>
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<background>
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<p>
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The Link Grammar parser is a syntactic parser of English, based on link
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grammar, an original theory of English syntax.
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</p>
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</background>
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<description>
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<p>
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Alin Rad Pop from Secunia Research discovered a boundary error in the
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function separate_sentence() in file tokenize.c when processing an
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overly long word which might lead to a stack-based buffer overflow.
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</p>
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</description>
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<impact type="normal">
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<p>
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A remote attacker could entice a user to parse a specially crafted
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sentence, resulting in the remote execution of arbitrary code with the
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privileges of the user running the application. Note that this
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vulnerability may be triggered by an application using Link Grammar to
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parse sentences (e.g. AbiWord).
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</p>
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</impact>
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<workaround>
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<p>
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There is no known workaround at this time.
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</p>
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</workaround>
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<resolution>
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<p>
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All Link Grammar users should upgrade to the latest version:
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</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=dev-libs/link-grammar-4.2.4-r1"</code>
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</resolution>
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<references>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5395">CVE-2007-5395</uri>
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</references>
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<metadata tag="requester" timestamp="Wed, 14 Nov 2007 17:43:19 +0000">
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rbu
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</metadata>
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<metadata tag="submitter" timestamp="Sat, 17 Nov 2007 19:29:25 +0000">
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p-y
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</metadata>
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<metadata tag="bugReady" timestamp="Sat, 17 Nov 2007 19:29:34 +0000">
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p-y
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</metadata>
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</glsa>
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