RHEL 5 / 6 : Red Hat Satellite IBM Java Runtime (RHSA-2015:1604) (Logjam)

This script is Copyright (C) 2015-2017 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

Updated java-1.6.0-ibm packages that fix several security issues are
now available for Red Hat Satellite 5.6 and 5.7.

Red Hat Product Security has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base
scores, which give detailed severity ratings, are available for each
vulnerability from the CVE links in the References section.

IBM Java SE version 6 includes the IBM Java Runtime Environment and
the IBM Java Software Development Kit.

This update fixes several vulnerabilities in the IBM Java Runtime
Environment and the IBM Java Software Development Kit. Further
information about these flaws can be found on the IBM Java Security
alerts page, listed in the References section. (CVE-2015-1931,
CVE-2015-2590, CVE-2015-2601, CVE-2015-2621, CVE-2015-2625,
CVE-2015-2632, CVE-2015-2637, CVE-2015-2638, CVE-2015-2664,
CVE-2015-4000, CVE-2015-4731, CVE-2015-4732, CVE-2015-4733,
CVE-2015-4748, CVE-2015-4749, CVE-2015-4760)

Note: This update forces the TLS/SSL client implementation in IBM JDK
to reject DH key sizes below 768 bits to address the CVE-2015-4000
issue. Refer to Red Hat Bugzilla bug 1223211, linked to in the
References section, for additional details about this change.

Users of Red Hat Satellite 5.6 and 5.7 are advised to upgrade to these
updated packages, which contain the IBM Java SE 6 SR16-FP7 release.
For this update to take effect, Red Hat Satellite must be restarted
('/usr/sbin/rhn-satellite restart'), as well as all running instances
of IBM Java.

See also :

https://www.redhat.com/security/data/cve/CVE-2015-1931.html
https://www.redhat.com/security/data/cve/CVE-2015-2590.html
https://www.redhat.com/security/data/cve/CVE-2015-2601.html
https://www.redhat.com/security/data/cve/CVE-2015-2621.html
https://www.redhat.com/security/data/cve/CVE-2015-2625.html
https://www.redhat.com/security/data/cve/CVE-2015-2632.html
https://www.redhat.com/security/data/cve/CVE-2015-2637.html
https://www.redhat.com/security/data/cve/CVE-2015-2638.html
https://www.redhat.com/security/data/cve/CVE-2015-2664.html
https://www.redhat.com/security/data/cve/CVE-2015-4000.html
https://www.redhat.com/security/data/cve/CVE-2015-4731.html
https://www.redhat.com/security/data/cve/CVE-2015-4732.html
https://www.redhat.com/security/data/cve/CVE-2015-4733.html
https://www.redhat.com/security/data/cve/CVE-2015-4748.html
https://www.redhat.com/security/data/cve/CVE-2015-4749.html
https://www.redhat.com/security/data/cve/CVE-2015-4760.html
http://rhn.redhat.com/errata/RHSA-2015-1604.html

Solution :

Update the affected java-1.6.0-ibm and / or java-1.6.0-ibm-devel
packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.3
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

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