| <?xml version="1.0" encoding="UTF-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| <glsa id="201405-16"> |
| <title>Mono: Denial of Service</title> |
| <synopsis>A hash collision vulnerability in Mono allows remote attackers to |
| cause a Denial of Service condition. |
| </synopsis> |
| <product type="ebuild">mono</product> |
| <announced>May 18, 2014</announced> |
| <revised>May 18, 2014: 1</revised> |
| <bug>433768</bug> |
| <access>remote</access> |
| <affected> |
| <package name="dev-lang/mono" auto="yes" arch="*"> |
| <unaffected range="ge">2.10.9-r2</unaffected> |
| <vulnerable range="lt">2.10.9-r2</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p>Mono is an open source implementation of Microsoft’s .NET Framework.</p> |
| </background> |
| <description> |
| <p>Mono does not properly randomize hash functions for form posts to |
| protect against hash collision attacks. |
| </p> |
| </description> |
| <impact type="normal"> |
| <p>A remote attacker could send specially crafted parameters, possibly |
| resulting in a Denial of Service condition. |
| </p> |
| </impact> |
| <workaround> |
| <p>There is no known workaround at this time.</p> |
| </workaround> |
| <resolution> |
| <p>All Mono users should upgrade to the latest version:</p> |
| |
| <code> |
| # emerge --sync |
| # emerge --ask --oneshot --verbose ">=dev-lang/mono-2.10.9-r2" |
| </code> |
| </resolution> |
| <references> |
| <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3543">CVE-2012-3543</uri> |
| </references> |
| <metadata tag="requester" timestamp="Sun, 16 Dec 2012 21:55:51 +0000">craig</metadata> |
| <metadata tag="submitter" timestamp="Sun, 18 May 2014 11:28:30 +0000">ackle</metadata> |
| </glsa> |