Sun Microsystems, Inc. Information for VU#466161
XML signature HMAC truncation authentication bypass
- Vendor Information Help Date Notified: 09 Jul 2009
- Statement Date: 13 Jul 2009
- Date Updated: 05 Aug 2009
No statement is currently available from the vendor regarding this vulnerability.
The XML Digital Signature implementation included with the Java Runtime Environment is affected and may allow authentication to be bypassed. Applications that validate HMAC-based XML digital signatures may be vulnerable to this type of attack. This vulnerability cannot be exploited by an untrusted applet or Java Web Start application.
This issue can occur in the following Java SE and Java SE for Business releases for Windows, Solaris, and Linux:
JDK and JRE 6 Update 14 and earlier
Note: JDK and JRE 5.0, and SDK and JRE 1.4.2 and 1.3.1 are not affected.
This issue will be addressed with Sun's upcoming Java SE security updates which are targeted to be released in late July 2009.
Please see Sun Alert 263429 for details and updated JRE versions.
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