RHSA-2017:1837 - Security Advisory

Topic

An update for eap7-jboss-ec2-eap is now available for Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 6 and Red Hat JBoss Enterprise Application Platform 7.0 for RHEL 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The eap7-jboss-ec2-eap packages provide scripts for Red Hat JBoss Enterprise Application Platform running on the Amazon Web Services (AWS) Elastic Compute Cloud (EC2).

With this update, the eap7-jboss-ec2-eap package has been updated to ensure compatibility with Red Hat JBoss Enterprise Application Platform 7.0.7.

Refer to the JBoss Enterprise Application Platform 7.0.7 Release Notes, linked to in the References section, for information on the most significant bug fixes and enhancements included in this release.

Security Fix(es):

• A deserialization flaw was discovered in jackson-databind which could allow an unauthenticated user to perform code execution by sending maliciously crafted input to the readValue method of the ObjectMapper. (CVE-2017-7525)
• It was found that use of a JMS ObjectMessage does not safely handle user-supplied data when deserializing objects. A remote attacker could use this flaw to execute arbitrary code with the permissions of the application using the JMS ObjectMessage. (CVE-2016-4978)

Red Hat would like to thank Liao Xinxi (NSFOCUS) for reporting CVE-2017-7525.

Solution

Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• JBoss Enterprise Application Platform 7.1 for RHEL 7 x86_64
• JBoss Enterprise Application Platform 7.1 for RHEL 6 x86_64
• JBoss Enterprise Application Platform 7.1 for RHEL 6 i386
• JBoss Enterprise Application Platform 7.0 for RHEL 7 x86_64
• JBoss Enterprise Application Platform 7.0 for RHEL 6 x86_64
• JBoss Enterprise Application Platform 7.0 for RHEL 6 i386

Fixes

• BZ - 1379207 - CVE-2016-4978 Apache ActiveMQ Artemis: Deserialization of untrusted input vulnerability
• BZ - 1462702 - CVE-2017-7525 jackson-databind: Deserialization vulnerability via readValue method of ObjectMapper

CVEs

• CVE-2016-4978
• CVE-2017-7525

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0/
• https://access.redhat.com/documentation/en/red-hat-jboss-enterprise-application-platform/version-7.0/installation-guide/
• https://access.redhat.com/documentation/en/jboss-enterprise-application-platform/