71 lines
2.4 KiB
XML
71 lines
2.4 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="200410-31">
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<title>Archive::Zip: Virus detection evasion</title>
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<synopsis>
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Email virus scanning software relying on Archive::Zip can be fooled into
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thinking a ZIP attachment is empty while it contains a virus, allowing
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detection evasion.
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</synopsis>
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<product type="ebuild">Archive::Zip</product>
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<announced>October 29, 2004</announced>
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<revised>May 22, 2006: 02</revised>
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<bug>68616</bug>
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<access>remote</access>
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<affected>
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<package name="dev-perl/Archive-Zip" auto="yes" arch="*">
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<unaffected range="ge">1.14</unaffected>
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<vulnerable range="lt">1.14</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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Archive::Zip is a Perl module containing functions to handle ZIP
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archives.
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</p>
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</background>
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<description>
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<p>
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Archive::Zip can be used by email scanning software (like amavisd-new)
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to uncompress attachments before virus scanning. By modifying the
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uncompressed size of archived files in the global header of the ZIP
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file, it is possible to fool Archive::Zip into thinking some files
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inside the archive have zero length.
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</p>
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</description>
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<impact type="low">
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<p>
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An attacker could send a carefully crafted ZIP archive containing a
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virus file and evade detection on some email virus-scanning software
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relying on Archive::Zip for decompression.
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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 Archive::Zip 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-perl/Archive-Zip-1.14"</code>
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</resolution>
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<references>
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<uri link="http://www.idefense.com/application/poi/display?id=153">iDEFENSE Security Advisory 10.18.04</uri>
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<uri link="http://rt.cpan.org/NoAuth/Bug.html?id=8077">rt.cpan.org bug #8077</uri>
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<uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-1096">CVE-2004-1096</uri>
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</references>
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<metadata tag="requester" timestamp="Wed, 27 Oct 2004 12:10:39 +0000">
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koon
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</metadata>
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<metadata tag="bugReady" timestamp="Wed, 27 Oct 2004 12:10:53 +0000">
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koon
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</metadata>
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<metadata tag="submitter" timestamp="Fri, 29 Oct 2004 12:32:54 +0000">
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koon
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</metadata>
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</glsa>
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