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76 lines
2.6 KiB
76 lines
2.6 KiB
<?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="200612-03">
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<title>GnuPG: Multiple vulnerabilities</title>
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<synopsis>
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GnuPG is vulnerable to a buffer overflow and an erroneous function pointer
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dereference that can result in the execution of arbitrary code.
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</synopsis>
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<product type="ebuild">gnupg</product>
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<announced>2006-12-10</announced>
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<revised count="02">2006-12-10</revised>
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<bug>156476</bug>
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<bug>156947</bug>
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<access>remote</access>
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<affected>
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<package name="app-crypt/gnupg" auto="yes" arch="*">
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<unaffected range="ge">1.4.6</unaffected>
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<vulnerable range="lt">1.4.6</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 GNU Privacy Guard, GnuPG, is a free replacement for the PGP suite
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of cryptographic software.
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</p>
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</background>
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<description>
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<p>
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Hugh Warrington has reported a boundary error in GnuPG, in the
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"ask_outfile_name()" function from openfile.c: the
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make_printable_string() function could return a string longer than
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expected. Additionally, Tavis Ormandy of the Gentoo Security Team
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reported a design error in which a function pointer can be incorrectly
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dereferenced.
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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 interactively use GnuPG on a
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crafted file and trigger the boundary error, which will result in a
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buffer overflow. They could also entice a user to process a signed or
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encrypted file with gpg or gpgv, possibly called through another
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application like a mail client, to trigger the dereference error. Both
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of these vulnerabilities would result in the execution of arbitrary
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code with the permissions of the user running GnuPG. gpg-agent, gpgsm
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and other tools are not affected.
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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 GnuPG 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 "=app-crypt/gnupg-1.4*"</code>
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</resolution>
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<references>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6169">CVE-2006-6169</uri>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6235">CVE-2006-6235</uri>
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</references>
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<metadata tag="requester" timestamp="2006-12-07T11:29:58Z">
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jaervosz
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</metadata>
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<metadata tag="submitter" timestamp="2006-12-08T11:06:22Z">
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falco
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</metadata>
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<metadata tag="bugReady" timestamp="2006-12-09T21:41:04Z">
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falco
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</metadata>
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</glsa>
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