RedHat: RHSA-2017-3354:01 Moderate: Red Hat JBoss BRMS 6.4.7 security update
Summary
Red Hat JBoss BRMS is a business rules management system for the
management, storage, creation, modification, and deployment of JBoss Rules.
This release of Red Hat JBoss BRMS 6.4.7 serves as a replacement for Red
Hat JBoss BRMS 6.4.6, and includes bug fixes and enhancements, which are
documented in the Release Notes document linked to in the References.
Security Fix(es):
* A denial of service vulnerability was discovered in ZooKeeper which
allows an attacker to dramatically increase CPU utilization by abusing
"wchp/wchc" commands, leading to the server being unable to serve
legitimate requests. (CVE-2017-5637)
* It was discovered that the XmlUtils class in jbpmmigration performed
expansion of external parameter entities while parsing XML files. A remote
attacker could use this flaw to read files accessible to the user running
the application server and, potentially, perform other more advanced XML
eXternal Entity (XXE) attacks. (CVE-2017-7545)
Red Hat would like to thank Man Yue Mo (Semmle) for reporting
CVE-2017-7545.
Summary
Solution
Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.
It is recommended to halt the server by stopping the JBoss Application
Server process before installing this update; after installing the update,
restart the server by starting the JBoss Application Server process.
The References section of this erratum contains a download link (you must
log in to download the update).
References
https://access.redhat.com/security/cve/CVE-2017-5637 https://access.redhat.com/security/cve/CVE-2017-7545 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=brms&downloadType=securityPatches&version=6.4
Package List
Topic
An update is now available for Red Hat JBoss BRMS.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Bugs Fixed
1454808 - CVE-2017-5637 zookeeper: Incorrect input validation with wchp/wchc four letter words
1474822 - CVE-2017-7545 jbpmmigration: XXE vulnerability in XmlUtils
