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| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| |
| <glsa id="200609-04"> |
| <title>LibXfont: Multiple integer overflows</title> |
| <synopsis> |
| A buffer overflow was discovered in the PCF font parser, potentially |
| resulting in the execution of arbitrary code. |
| </synopsis> |
| <product type="ebuild">LibXfont</product> |
| <announced>September 06, 2006</announced> |
| <revised>September 06, 2006: 01</revised> |
| <bug>144092</bug> |
| <access>local</access> |
| <affected> |
| <package name="x11-libs/libXfont" auto="yes" arch="*"> |
| <unaffected range="ge">1.2.0-r1</unaffected> |
| <vulnerable range="lt">1.2.0-r1</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p> |
| libXfont is the X.Org Xfont library, some parts are based on the |
| FreeType code base. |
| </p> |
| </background> |
| <description> |
| <p> |
| Several integer overflows have been found in the PCF font parser. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p> |
| A local attacker could possibly execute arbitrary code or crash the |
| Xserver by enticing a user to load a specially crafted PCF font file. |
| </p> |
| </impact> |
| <workaround> |
| <p> |
| Do not use untrusted PCF Font files. |
| </p> |
| </workaround> |
| <resolution> |
| <p> |
| All libXfont users should upgrade to the latest version: |
| </p> |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.2.0-r1"</code> |
| </resolution> |
| <references> |
| <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3467">CVE-2006-3467</uri> |
| </references> |
| <metadata tag="requester" timestamp="Thu, 31 Aug 2006 17:04:06 +0000"> |
| falco |
| </metadata> |
| <metadata tag="submitter" timestamp="Sun, 03 Sep 2006 12:10:42 +0000"> |
| daxomatic |
| </metadata> |
| <metadata tag="bugReady" timestamp="Tue, 05 Sep 2006 19:36:43 +0000"> |
| jaervosz |
| </metadata> |
| </glsa> |