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85 lines
2.8 KiB
85 lines
2.8 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="201010-01">
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<title>Libpng: Multiple vulnerabilities</title>
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<synopsis>Multiple vulnerabilities in libpng might lead to privilege
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escalation or a Denial of Service.
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</synopsis>
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<product type="ebuild">libpng</product>
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<announced>2010-10-05</announced>
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<revised count="9">2017-01-03</revised>
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<bug>307637</bug>
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<bug>324153</bug>
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<bug>335887</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">1.4.3</unaffected>
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<unaffected range="ge" slot="1.2">1.2.46</unaffected>
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<vulnerable range="lt">1.4.3</vulnerable>
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</package>
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</affected>
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<background>
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<p>libpng is a standard library used to process PNG (Portable Network
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Graphics) images. It is used by several programs, including web browsers
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and potentially server processes.
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</p>
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</background>
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<description>
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<p>Multiple vulnerabilities were found in libpng:</p>
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<ul>
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<li>The png_decompress_chunk() function in pngrutil.c does not properly
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handle certain type of compressed data (CVE-2010-0205)
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</li>
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<li>A buffer overflow in pngread.c when using progressive applications
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(CVE-2010-1205)
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</li>
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<li>A memory leak in pngrutil.c when dealing with a certain type of
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chunks (CVE-2010-2249)
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</li>
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</ul>
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</description>
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<impact type="normal">
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<p>An attacker could exploit these vulnerabilities to cause programs linked
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against the library to crash or execute arbitrary code with the
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permissions of the user running the vulnerable program, which could be
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the root user.
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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 libpng 1.4 users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=media-libs/libpng-1.4.3"
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</code>
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<p>All libpng 1.2 users should upgrade to the latest version:</p>
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<code>
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# emerge --sync
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# emerge --ask --oneshot --verbose ">=media-libs/libpng-1.2.46"
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</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-2010-0205">
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CVE-2010-0205
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</uri>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1205">
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CVE-2010-1205
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</uri>
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<uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2249">
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CVE-2010-2249
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</uri>
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</references>
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<metadata tag="requester" timestamp="2011-10-07T22:32:46Z">craig</metadata>
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<metadata tag="submitter" timestamp="2017-01-03T04:37:30Z">system</metadata>
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<metadata tag="bugReady" timestamp="2017-01-03T04:37:31Z">system</metadata>
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</glsa>
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