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Diffstat (limited to 'metadata/glsa/glsa-201612-55.xml')
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diff --git a/metadata/glsa/glsa-201612-55.xml b/metadata/glsa/glsa-201612-55.xml new file mode 100644 index 000000000000..d2050d6de37b --- /dev/null +++ b/metadata/glsa/glsa-201612-55.xml @@ -0,0 +1,59 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201612-55"> + <title>libjpeg-turbo: User-assisted execution of arbitrary code</title> + <synopsis>An out-of-bounds read in libjpeg-turbo might allow remote attackers + to execute arbitrary code. + </synopsis> + <product type="ebuild">libjpeg-turbo</product> + <announced>2016-12-31</announced> + <revised>2016-12-31: 1</revised> + <bug>585782</bug> + <access>remote</access> + <affected> + <package name="media-libs/libjpeg-turbo" auto="yes" arch="*"> + <unaffected range="ge">1.5.0</unaffected> + <vulnerable range="lt">1.5.0</vulnerable> + </package> + </affected> + <background> + <p>libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, + SSE2, NEON, AltiVec) to accelerate baseline JPEG compression and + decompression. + </p> + </background> + <description> + <p>The accelerated Huffman decoder was previously invoked if there were 128 + bytes in the input buffer. However, it is possible to construct a JPEG + image with Huffman blocks > 430 bytes in length. This release simply + increases the minimum buffer size for the accelerated Huffman decoder to + 512 bytes, which should accommodate any possible input. + </p> + </description> + <impact type="normal"> + <p>A remote attacker could coerce the victim to run a specially crafted + image file resulting in the execution of arbitrary code. + </p> + </impact> + <workaround> + <p>There is no known workaround at this time.</p> + </workaround> + <resolution> + <p>All libjpeg-turbo users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=media-libs/libjpeg-turbo-1.5.0" + </code> + </resolution> + <references> + <uri link="https://wiki.mozilla.org/images/7/77/Libjpeg-turbo-report.pdf"> + LJT-01-005 + </uri> + <uri link="https://github.com/libjpeg-turbo/libjpeg-turbo/commit/0463f7c9aad060fcd56e98d025ce16185279e2bc"> + Prevent overread when decoding malformed JPEG + </uri> + </references> + <metadata tag="requester" timestamp="2016-11-20T06:32:59Z">b-man</metadata> + <metadata tag="submitter" timestamp="2016-12-31T15:38:15Z">b-man</metadata> +</glsa> |