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Diffstat (limited to 'metadata/glsa/glsa-201603-15.xml')
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diff --git a/metadata/glsa/glsa-201603-15.xml b/metadata/glsa/glsa-201603-15.xml new file mode 100644 index 000000000000..5eb442fc4460 --- /dev/null +++ b/metadata/glsa/glsa-201603-15.xml @@ -0,0 +1,81 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201603-15"> + <title>OpenSSL: Multiple vulnerabilities</title> + <synopsis>Multiple vulnerabilities have been found in OpenSSL, the worst + allowing remote attackers to decrypt TLS sessions. + </synopsis> + <product type="ebuild">openssl</product> + <announced>2016-03-20</announced> + <revised count="1">2016-03-20</revised> + <bug>575548</bug> + <access>remote</access> + <affected> + <package name="dev-libs/openssl" auto="yes" arch="*"> + <unaffected range="ge">1.0.2g-r2</unaffected> + <vulnerable range="lt">1.0.2g-r2</vulnerable> + </package> + </affected> + <background> + <p>OpenSSL is an Open Source toolkit implementing the Secure Sockets Layer + (SSL v2/v3) and Transport Layer Security (TLS v1) as well as a general + purpose cryptography library. + </p> + </background> + <description> + <p>Multiple vulnerabilities have been discovered in OpenSSL, the worst + being a cross-protocol attack called DROWN that could lead to the + decryption of TLS sessions. Please review the CVE identifiers referenced + below for details. + </p> + </description> + <impact type="normal"> + <p>A remote attacker could decrypt TLS sessions by using a server + supporting SSLv2 and EXPORT cipher suites as a + Bleichenbacher RSA padding oracle, cause a Denial of Service condition, + obtain sensitive information from memory and (in rare circumstances) + recover RSA keys. + </p> + </impact> + <workaround> + <p>A workaround for DROWN is disabling the SSLv2 protocol on all SSL/TLS + servers. + </p> + </workaround> + <resolution> + <p>All OpenSSL users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=dev-libs/openssl-1.0.2g-r2" + </code> + + <p>Please note that beginning with OpenSSL 1.0.2, in order to mitigate the + DROWN attack, the OpenSSL project disables SSLv2 by default at + build-time. As this change would cause severe issues with some Gentoo + packages that depend on OpenSSL, Gentoo still ships OpenSSL with SSLv2 + enabled at build-time. Note that this does not mean that you are still + vulnerable to DROWN because the OpenSSL project has taken further + precautions and applications would need to explicitly request SSLv2. We + are working on a migration path to phase out SSLv2 that ensures that no + user-facing issues occur. Please reference bug 576128 for further details + on how this decision was made. + </p> + </resolution> + <references> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0702">CVE-2016-0702</uri> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0703">CVE-2016-0703</uri> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0704">CVE-2016-0704</uri> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0705">CVE-2016-0705</uri> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0797">CVE-2016-0797</uri> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0798">CVE-2016-0798</uri> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0799">CVE-2016-0799</uri> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-0800">CVE-2016-0800</uri> + </references> + <metadata tag="requester" timestamp="2016-03-01T14:45:13Z"> + keytoaster + </metadata> + <metadata tag="submitter" timestamp="2016-03-20T13:46:37Z"> + keytoaster + </metadata> +</glsa> |