<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="200602-01"> <title>GStreamer FFmpeg plugin: Heap-based buffer overflow</title> <synopsis> The GStreamer FFmpeg plugin is vulnerable to a buffer overflow that may be exploited by attackers to execute arbitrary code. </synopsis> <product type="ebuild">gst-plugins-ffmpeg</product> <announced>2006-02-05</announced> <revised count="01">2006-02-05</revised> <bug>119512</bug> <access>remote</access> <affected> <package name="media-plugins/gst-plugins-ffmpeg" auto="yes" arch="*"> <unaffected range="ge">0.8.7-r1</unaffected> <vulnerable range="lt">0.8.7-r1</vulnerable> </package> </affected> <background> <p> The GStreamer FFmpeg plugin uses code from the FFmpeg library to provide fast colorspace conversion and multimedia decoders to the GStreamer open source media framework. </p> </background> <description> <p> The GStreamer FFmpeg plugin contains derived code from the FFmpeg library, which is vulnerable to a heap overflow in the "avcodec_default_get_buffer()" function discovered by Simon Kilvington (see GLSA 200601-06). </p> </description> <impact type="normal"> <p> A remote attacker could entice a user to run an application using the GStreamer FFmpeg plugin on a maliciously crafted PIX_FMT_PAL8 format image file (like PNG images), possibly leading to the execution of arbitrary code with the permissions of the user running the application. </p> </impact> <workaround> <p> There is no known workaround at this time. </p> </workaround> <resolution> <p> All GStreamer FFmpeg plugin users should upgrade to the latest version: </p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=media-plugins/gst-plugins-ffmpeg-0.8.7-r1"</code> </resolution> <references> <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4048">CVE-2005-4048</uri> <uri link="https://www.gentoo.org/security/en/glsa/glsa-200601-06.xml">GLSA 200601-06</uri> </references> <metadata tag="requester" timestamp="2006-01-29T21:54:38Z"> DerCorny </metadata> <metadata tag="bugReady" timestamp="2006-01-31T03:13:44Z"> adir </metadata> <metadata tag="submitter" timestamp="2006-02-01T15:27:50Z"> DerCorny </metadata> </glsa>