Note: This is an archival copy of Security Sun Alert 263429 as previously published on http://sunsolve.sun.com.|
Latest version of this security advisory is available from http://support.oracle.com as Sun Alert 1020710.1.
Date of Resolved Release
A security vulnerability with verifying HMAC-based XML digital signatures in the XML Digital Signature implementation included with the Java Runtime Environment (JRE) may allow authentication to be bypassed:
A vulnerability with verifying HMAC-based XML digital signatures in the XML Digital Signature implementation included with the Java Runtime Environment (JRE) may allow authentication to be bypassed. This could allow a user to forge an XML digital signature that would be accepted as valid. Applications that validate HMAC-based XML digital signatures may be vulnerable to this type of attack.
Note: This vulnerability cannot be exploited by an untrusted applet or Java Web Start application.
This issue is also described in the following document:
CERT VU#466161 at: http://www.kb.cert.org/vuls/id/466161
CVE-2009-0217 at: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0217
Sun acknowledges, with thanks, Thomas Roessler from the W3C for bringing this issue to our attention.
2. Contributing Factors
This issue can occur in the following Java SE and Java SE for Business releases for Windows, Solaris, and Linux:
To determine the version of Java installed on a system, the following command can be used:
% *java -version*3. Symptoms
There are no reliable symptoms that would indicate the described issues have been exploited.
There is no workaround for this issue. Please see the Resolution section below.
This issue is addressed in the following Java SE and Java SE for Business releases for Windows, Solaris, and Linux:
Note: When installing a new version of the product from a source other than a Solaris patch, it is recommended that the old affected versions be removed from your system. To remove old affected versions on the Windows platform, please see:
For more information on Security Sun Alerts, see 1009886.1.
Copyright 2000-2009 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved.
Java Platform, Standard Edition 6 (Java SE 6)
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