Sun Java System Portal Server Software 7.0 may not securely process XSLT style sheets contained in XSLT Transforms in XML Signatures. This may allow malicious XLST style sheets to be executed. For example, an arbitrary Java method could be executed due to this vulnerability.

Sun acknowledges, with thanks, Brad Hill of iSEC Partners, for bringing this issue to our attention.

This issue can occur in the following releases:

SPARC Platform

• Sun Java System Portal Server Software 7.0 (for Solaris 8, 9 and 10) without patch 121913-15

x86 Platform

• Sun Java System Portal Server Software 7.0 (for Solaris 8, 9 and 10) without patch 121914-15

Linux Platform

• Sun Java System Portal Server Software 7.0 without patch 121915-15

To determine the version of Sun Java System Portal Server Software installed on a system, the following command can be run:

    # <PS_INSTALL_DIR>/bin/psadmin version -u amadmin -f passwordFile
    Mon Dec 12 01:10:23 PST 2005 Sun Java(tm) System Portal Server 7.0

Note: Portal Server Software versions 6.3.1 or earlier and  versions 7.1 and 7.1u1 are not impacted by this issue.

There are no predictable symptoms that would indicate the described issue has been exploited.

There is no workaround for this issue. Please see the Resolution section below.

This issue is addressed in the following releases:

SPARC Platform

• Sun Java System Portal Server Software 7.0 (for Solaris 8, 9 and 10) with patch 121913-15 or later

x86 Platform

• Sun Java System Portal Server Software 7.0 (for Solaris 8, 9 and 10) with patch 121914-15 or later

Linux Platform

• Sun Java System Portal Server Software 7.0 with patch 121915-15 or later

This solution has no attachment