| <?xml version="1.0" encoding="UTF-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| <glsa id="201207-02"> |
| <title>libxml2: User-assisted execution of arbitrary code</title> |
| <synopsis>A off-by-one error in libxml2 could result in execution of |
| arbitrary code or Denial of Service. |
| </synopsis> |
| <product type="ebuild">libxml2</product> |
| <announced>July 09, 2012</announced> |
| <revised>July 09, 2012: 1</revised> |
| <bug>416209</bug> |
| <access>remote</access> |
| <affected> |
| <package name="dev-libs/libxml2" auto="yes" arch="*"> |
| <unaffected range="ge">2.8.0_rc1</unaffected> |
| <vulnerable range="lt">2.8.0_rc1</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p>libxml2 is the XML C parser and toolkit developed for the Gnome project.</p> |
| </background> |
| <description> |
| <p>The "xmlXPtrEvalXPtrPart()" function in xpointer.c contains an |
| off-by-one error. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p>A remote attacker could entice a user or automated system to open a |
| specially crafted XML document with an application using libxml2, |
| possibly resulting in execution of arbitrary code or a Denial of Service |
| condition. |
| </p> |
| </impact> |
| <workaround> |
| <p>There is no known workaround at this time.</p> |
| </workaround> |
| <resolution> |
| <p>All libxml2 users should upgrade to the latest version:</p> |
| |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.8.0_rc1" |
| </code> |
| </resolution> |
| <references> |
| <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3102">CVE-2011-3102</uri> |
| </references> |
| <metadata timestamp="Tue, 29 May 2012 22:42:30 +0000" tag="requester"> |
| underling |
| </metadata> |
| <metadata timestamp="Mon, 09 Jul 2012 22:09:24 +0000" tag="submitter">ackle</metadata> |
| </glsa> |