<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> <glsa id="201710-15"> <title>GnuTLS: Denial of Service</title> <synopsis>A null pointer dereference in GnuTLS might allow attackers to cause a Denial of Service condition. </synopsis> <product type="ebuild">gnutls</product> <announced>2017-10-15</announced> <revised count="1">2017-10-15</revised> <bug>622038</bug> <access>remote</access> <affected> <package name="net-libs/gnutls" auto="yes" arch="*"> <unaffected range="ge">3.5.13</unaffected> <vulnerable range="lt">3.5.13</vulnerable> </package> </affected> <background> <p>GnuTLS is a secure communications library implementing the SSL, TLS and DTLS protocols and technologies around them. </p> </background> <description> <p>A null pointer dereference while decoding a status response TLS extension with valid contents was discovered in GnuTLS. </p> </description> <impact type="normal"> <p>A remote attacker could possibly cause a Denial of Service condition.</p> </impact> <workaround> <p>There is no known workaround at this time.</p> </workaround> <resolution> <p>All GnuTLS users should upgrade to the latest version:</p> <code> # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/gnutls-3.5.13" </code> <p>Packages which depend on this library may need to be recompiled. Tools such as revdep-rebuild may assist in identifying some of these packages. </p> </resolution> <references> <uri link="https://nvd.nist.gov/vuln/detail/CVE-2017-7507">CVE-2017-7507</uri> </references> <metadata tag="requester" timestamp="2017-09-17T19:52:42Z">chrisadr</metadata> <metadata tag="submitter" timestamp="2017-10-15T04:20:45Z">chrisadr</metadata> </glsa>