diff options
Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200403-03.xml')
| -rw-r--r-- | xml/htdocs/security/en/glsa/glsa-200403-03.xml | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/xml/htdocs/security/en/glsa/glsa-200403-03.xml b/xml/htdocs/security/en/glsa/glsa-200403-03.xml new file mode 100644 index 00000000..9088df95 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200403-03.xml @@ -0,0 +1,93 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200403-03"> + <title>Multiple OpenSSL Vulnerabilities</title> + <synopsis> + Three vulnerabilities have been found in OpenSSL via a commercial test + suite for the TLS protocol developed by Codenomicon Ltd. + </synopsis> + <product type="ebuild">OpenSSL</product> + <announced>March 17, 2004</announced> + <revised>May 22, 2006: 02</revised> + <bug>44941</bug> + <access>remote</access> + <affected> + <package name="dev-libs/openssl" auto="yes" arch="*"> + <unaffected range="ge">0.9.7d</unaffected> + <unaffected range="eq">0.9.6m</unaffected> + <vulnerable range="le">0.9.7c</vulnerable> + </package> + </affected> + <background> + <p> + The OpenSSL Project is a collaborative effort to develop a robust, + commercial-grade, full-featured, and Open Source toolkit implementing + the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS + v1) protocols as well as a full-strength general purpose cryptography + library. + </p> + </background> + <description> + <ol> + <li> + Testing performed by the OpenSSL group using the Codenomicon TLS Test + Tool uncovered a null-pointer assignment in the do_change_cipher_spec() + function. A remote attacker could perform a carefully crafted SSL/TLS + handshake against a server that used the OpenSSL library in such a way + as to cause OpenSSL to crash. Depending on the application this could + lead to a denial of service. All versions of OpenSSL from 0.9.6c to + 0.9.6l inclusive and from 0.9.7a to 0.9.7c inclusive are affected by + this issue. + </li> + <li> + A flaw has been discovered in SSL/TLS handshaking code when using + Kerberos ciphersuites. A remote attacker could perform a carefully + crafted SSL/TLS handshake against a server configured to use Kerberos + ciphersuites in such a way as to cause OpenSSL to crash. Most + applications have no ability to use Kerberos cipher suites and will + therefore be unaffected. Versions 0.9.7a, 0.9.7b, and 0.9.7c of OpenSSL + are affected by this issue. + </li> + <li> + Testing performed by the OpenSSL group using the Codenomicon TLS Test + Tool uncovered a bug in older versions of OpenSSL 0.9.6 that can lead + to a Denial of Service attack (infinite loop). This issue was traced to + a fix that was added to OpenSSL 0.9.6d some time ago. This issue will + affect vendors that ship older versions of OpenSSL with backported + security patches. + </li> + </ol> + </description> + <impact type="normal"> + <p> + Although there are no public exploits known for bug, users are + recommended to upgrade to ensure the security of their infrastructure. + </p> + </impact> + <workaround> + <p> + There is no immediate workaround; a software upgrade is required. The + vulnerable function in the code has been rewritten. + </p> + </workaround> + <resolution> + <p> + All users are recommened to upgrade openssl to either 0.9.7d or 0.9.6m: + </p> + <code> + # emerge sync + # emerge -pv ">=dev-libs/openssl-0.9.7d" + # emerge ">=dev-libs/openssl-0.9.7d"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0079">CVE-2004-0079</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0081">CVE-2004-0081</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-0112">CVE-2004-0112</uri> + </references> + <metadata tag="submitter" timestamp="Mon, 22 May 2006 05:54:03 +0000"> + DerCorny + </metadata> +</glsa> |