RHSA-2012:1376 - Security Advisory

Topic

An updated jboss-ec2-eap package that fixes one security issue is now
available for JBoss Enterprise Application Platform 5.1.2 for Red Hat
Enterprise Linux 6 running on the Amazon Web Services (AWS) Elastic Compute
Cloud (EC2).

The Red Hat Security Response Team has rated this update as having low
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

Description

jboss-ec2-eap provides JBoss Operations Network (JBoss ON) scripts for
JBoss Enterprise Application Platform running on the Amazon Web
Services (AWS) Elastic Compute Cloud (EC2).

It was found that the "/var/cache/jboss-ec2-eap/" directory had world
readable permissions when using the EC2 AMI (Amazon Machine Image) for
JBoss Enterprise Application Platform 5.1.2 on Red Hat Enterprise Linux
6. A local attacker could use this flaw to read potentially sensitive
information from this directory, such as Amazon Web Services (AWS)
credentials. (CVE-2012-3427)

Note: This flaw only affected the EC2 AMI for JBoss Enterprise Application
Platform 5.1.2.

This issue was discovered by Aleksandar Kostadinov of the Red Hat QE Team.

Warning: Before applying this update, back up your JBoss Enterprise
Application Platform's "server/[PROFILE]/deploy/" directory, along with all
other customized configuration files.

Users of JBoss Enterprise Application Platform 5.1.2 on Red Hat Enterprise
Linux 6 running on EC2 should upgrade to this updated package, which
corrects this issue. The JBoss server process must be restarted for this
update to take effect.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258

Affected Products

• JBoss Enterprise Application Platform from RHUI 5 x86_64
• JBoss Enterprise Application Platform from RHUI 5 i386
• JBoss Enterprise Application Platform 5 for RHEL 6 x86_64
• JBoss Enterprise Application Platform 5 for RHEL 6 i386

Fixes

• BZ - 843335 - CVE-2012-3427 JBoss EAP 5 AMI: insecure default file permissions for /var/cache/jboss-ec2-eap

CVEs

• CVE-2012-3427

References

• https://access.redhat.com/security/updates/classification/#low