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63 lines
1.9 KiB
63 lines
1.9 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="200611-09">
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<title>libpng: Denial of Service</title>
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<synopsis>
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A vulnerability in libpng may allow a remote attacker to crash applications
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that handle untrusted images.
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</synopsis>
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<product type="ebuild">libpng</product>
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<announced>2006-11-17</announced>
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<revised count="01">2006-11-17</revised>
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<bug>154380</bug>
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<access>remote</access>
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<affected>
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<package name="media-libs/libpng" auto="yes" arch="*">
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<unaffected range="ge">1.2.13</unaffected>
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<vulnerable range="lt">1.2.13</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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libpng is a free ANSI C library used to process and manipulate PNG
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images.
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</p>
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</background>
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<description>
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<p>
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Tavis Ormandy of the Gentoo Linux Security Audit Team discovered that a
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vulnerability exists in the sPLT chunk handling code of libpng, a large
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sPLT chunk may cause an application to attempt to read out of bounds.
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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 craft an image that when processed or viewed by
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an application using libpng causes the application to terminate
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abnormally.
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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 libpng 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 ">=media-libs/libpng-1.2.13"</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-2006-5793">CVE-2006-5793</uri>
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</references>
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<metadata tag="submitter" timestamp="2006-11-10T11:17:04Z">
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taviso
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</metadata>
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<metadata tag="bugReady" timestamp="2006-11-16T15:07:26Z">
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vorlon
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</metadata>
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</glsa>
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