| <?xml version="1.0" encoding="utf-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| |
| <glsa id="200908-03"> |
| <title>libTIFF: User-assisted execution of arbitrary code</title> |
| <synopsis> |
| Multiple boundary checking vulnerabilities in libTIFF may allow for the |
| remote execution of arbitrary code. |
| </synopsis> |
| <product type="ebuild">tiff</product> |
| <announced>August 07, 2009</announced> |
| <revised>August 07, 2009: 01</revised> |
| <bug>276339</bug> |
| <bug>276988</bug> |
| <access>remote</access> |
| <affected> |
| <package name="media-libs/tiff" auto="yes" arch="*"> |
| <unaffected range="ge">3.8.2-r8</unaffected> |
| <vulnerable range="lt">3.8.2-r8</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p> |
| libTIFF provides support for reading and manipulating TIFF (Tagged |
| Image File Format) images. |
| </p> |
| </background> |
| <description> |
| <p> |
| Two vulnerabilities have been reported in libTIFF: |
| </p> |
| <ul> |
| <li> |
| wololo reported a buffer underflow in the LZWDecodeCompat() function |
| (CVE-2009-2285). |
| </li> |
| <li> |
| Tielei Wang of ICST-ERCIS, Peking University reported two integer |
| overflows leading to heap-based buffer overflows in the tiff2rgba and |
| rgb2ycbcr tools (CVE-2009-2347). |
| </li> |
| </ul> |
| </description> |
| <impact type="normal"> |
| <p> |
| A remote attacker could entice a user to open a specially crafted TIFF |
| file with an application making use of libTIFF or the tiff2rgba and |
| rgb2ycbcr tools, possibly resulting in the execution of arbitrary code |
| with the privileges of the user running the application. |
| </p> |
| </impact> |
| <workaround> |
| <p> |
| There is no known workaround at this time. |
| </p> |
| </workaround> |
| <resolution> |
| <p> |
| All libTIFF users should upgrade to the latest version: |
| </p> |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=media-libs/tiff-3.8.2-r8"</code> |
| </resolution> |
| <references> |
| <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2285">CVE-2009-2285</uri> |
| <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2347">CVE-2009-2347</uri> |
| </references> |
| <metadata tag="requester" timestamp="Thu, 09 Jul 2009 08:33:26 +0000"> |
| rbu |
| </metadata> |
| <metadata tag="submitter" timestamp="Sat, 11 Jul 2009 02:17:53 +0000"> |
| rbu |
| </metadata> |
| <metadata tag="bugReady" timestamp="Wed, 05 Aug 2009 13:20:56 +0000"> |
| a3li |
| </metadata> |
| </glsa> |