| <?xml version="1.0" encoding="utf-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| |
| <glsa id="200612-05"> |
| <title>KOffice shared libraries: Heap corruption</title> |
| <synopsis> |
| An integer overflow in koffice-libs allows for a Denial of Service and |
| possibly the execution of arbitrary code when viewing malicious PowerPoint |
| files. |
| </synopsis> |
| <product type="ebuild">koffice-libs</product> |
| <announced>December 10, 2006</announced> |
| <revised>December 10, 2006: 01</revised> |
| <bug>155914</bug> |
| <access>remote</access> |
| <affected> |
| <package name="app-office/koffice-libs" auto="yes" arch="*"> |
| <unaffected range="ge">1.5.0</unaffected> |
| <vulnerable range="lt">1.5.0</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p> |
| KOffice is an integrated office suite for KDE. koffice-libs is a |
| package containing shared librares used by KOffice programs. |
| </p> |
| </background> |
| <description> |
| <p> |
| Kees Cook of Ubuntu discovered that 'KLaola::readBigBlockDepot()' in |
| klaola.cc fills 'num_of_bbd_blocks' while reading a .ppt (PowerPoint) |
| file without proper sanitizing, resulting in an integer overflow |
| subsequently overwriting the heap with parts of the file being read. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p> |
| By enticing a user to open a specially crafted PowerPoint file, an |
| attacker could crash the application and possibly execute arbitrary |
| code with the rights of the user running KOffice. |
| </p> |
| </impact> |
| <workaround> |
| <p> |
| There is no known workaround at this time. |
| </p> |
| </workaround> |
| <resolution> |
| <p> |
| All koffice-libs users should upgrade to the latest version: |
| </p> |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=app-office/koffice-libs-1.5.0"</code> |
| </resolution> |
| <references> |
| <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6120">CVE-2006-6120</uri> |
| </references> |
| <metadata tag="requester" timestamp="Fri, 01 Dec 2006 20:55:38 +0000"> |
| DerCorny |
| </metadata> |
| <metadata tag="submitter" timestamp="Fri, 01 Dec 2006 21:30:45 +0000"> |
| frilled |
| </metadata> |
| <metadata tag="bugReady" timestamp="Sun, 10 Dec 2006 13:39:48 +0000"> |
| jaervosz |
| </metadata> |
| </glsa> |