| <?xml version="1.0" encoding="UTF-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| <glsa id="201404-03"> |
| <title>OptiPNG: User-assisted execution of arbitrary code</title> |
| <synopsis>A use-after-free error in OptiPNG could result in execution of |
| arbitrary code or Denial of Service. |
| </synopsis> |
| <product type="ebuild">optipng</product> |
| <announced>April 07, 2014</announced> |
| <revised>April 07, 2014: 1</revised> |
| <bug>435340</bug> |
| <access>remote</access> |
| <affected> |
| <package name="media-gfx/optipng" auto="yes" arch="*"> |
| <unaffected range="ge">0.7.3</unaffected> |
| <vulnerable range="lt">0.7.3</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p>OptiPNG is a PNG optimizer that recompresses image files to a smaller |
| size, without losing any information. |
| </p> |
| </background> |
| <description> |
| <p>A use-after-free vulnerability exists in the palette reduction |
| functionality of OptiPNG. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p>A remote attacker could entice a user to open a specially crafted image |
| file, possibly resulting in execution of arbitrary code with the |
| privileges of the process or a Denial of Service condition. |
| </p> |
| </impact> |
| <workaround> |
| <p>There is no known workaround at this time.</p> |
| </workaround> |
| <resolution> |
| <p>All OptiPNG users should upgrade to the latest version:</p> |
| |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=media-gfx/optipng-0.7.3" |
| </code> |
| </resolution> |
| <references> |
| <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4432">CVE-2012-4432</uri> |
| </references> |
| <metadata tag="requester" timestamp="Sat, 22 Sep 2012 16:00:25 +0000">ackle</metadata> |
| <metadata tag="submitter" timestamp="Mon, 07 Apr 2014 20:09:15 +0000">ackle</metadata> |
| </glsa> |