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diff --git a/metadata/glsa/glsa-201602-02.xml b/metadata/glsa/glsa-201602-02.xml new file mode 100644 index 000000000000..2336c9d4da7b --- /dev/null +++ b/metadata/glsa/glsa-201602-02.xml @@ -0,0 +1,116 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201602-02"> + <title>GNU C Library: Multiple vulnerabilities</title> + <synopsis>Multiple vulnerabilities have been found in the GNU C library, the + worst allowing for remote execution of arbitrary code. + </synopsis> + <product type="ebuild">glibc</product> + <announced>February 17, 2016</announced> + <revised>February 17, 2016: 1</revised> + <bug>516884</bug> + <bug>517082</bug> + <bug>521932</bug> + <bug>529982</bug> + <bug>532874</bug> + <bug>538090</bug> + <bug>538814</bug> + <bug>540070</bug> + <bug>541246</bug> + <bug>541542</bug> + <bug>547296</bug> + <bug>552692</bug> + <bug>574880</bug> + <access>local, remote</access> + <affected> + <package name="sys-libs/glibc" auto="yes" arch="*"> + <unaffected range="ge">2.21-r2</unaffected> + <vulnerable range="lt">2.21-r2</vulnerable> + </package> + </affected> + <background> + <p>The GNU C library is the standard C library used by Gentoo Linux + systems. + </p> + </background> + <description> + <p>Multiple vulnerabilities have been discovered in the GNU C Library:</p> + + <ul> + <li>The Google Security Team and Red Hat discovered a stack-based buffer + overflow in the send_dg() and send_vc() functions due to a buffer + mismanagement when getaddrinfo() is called with AF_UNSPEC + (CVE-2015-7547). + </li> + <li>The strftime() function access invalid memory when passed + out-of-range data, resulting in a crash (CVE-2015-8776). + </li> + <li>An integer overflow was found in the __hcreate_r() function + (CVE-2015-8778). + </li> + <li>Multiple unbounded stack allocations were found in the catopen() + function (CVE-2015-8779). + </li> + </ul> + + <p>Please review the CVEs referenced below for additional vulnerabilities + that had already been fixed in previous versions of sys-libs/glibc, for + which we have not issued a GLSA before. + </p> + </description> + <impact type="high"> + <p>A remote attacker could exploit any application which performs host name + resolution using getaddrinfo() in order to execute arbitrary code or + crash the application. The other vulnerabilities can possibly be + exploited to cause a Denial of Service or leak information. + </p> + </impact> + <workaround> + <p>A number of mitigating factors for CVE-2015-7547 have been identified. + Please review the upstream advisory and references below. + </p> + </workaround> + <resolution> + <p>All GNU C Library users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=sys-libs/glibc-2.21-r2" + </code> + + <p>It is important to ensure that no running process uses the old glibc + anymore. The easiest way to achieve that is by rebooting the machine + after updating the sys-libs/glibc package. + </p> + + <p>Note: Should you run into compilation failures while updating, please + see bug 574948. + </p> + </resolution> + <references> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-7423">CVE-2013-7423</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0475">CVE-2014-0475</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0475">CVE-2014-0475</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5119">CVE-2014-5119</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-6040">CVE-2014-6040</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-7817">CVE-2014-7817</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-8121">CVE-2014-8121</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9402">CVE-2014-9402</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1472">CVE-2015-1472</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1781">CVE-2015-1781</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-7547">CVE-2015-7547</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8776">CVE-2015-8776</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8778">CVE-2015-8778</uri> + <uri link="http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8779">CVE-2015-8779</uri> + <uri link="https://googleonlinesecurity.blogspot.de/2016/02/cve-2015-7547-glibc-getaddrinfo-stack.html"> + Google Online Security Blog: "CVE-2015-7547: glibc getaddrinfo + stack-based buffer overflow" + </uri> + </references> + <metadata tag="requester" timestamp="Tue, 16 Feb 2016 18:27:02 +0000"> + keytoaster + </metadata> + <metadata tag="submitter" timestamp="Wed, 17 Feb 2016 15:37:09 +0000"> + keytoaster + </metadata> +</glsa> |