RHSA-2018:0466 - Security Advisory

Topic

An update is now available for Red Hat JBoss Web Server 3.1 for RHEL 6 and Red Hat JBoss Web Server 3.1 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

Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat Connector (mod_jk), JBoss HTTP Connector (mod_cluster), Hibernate, and the Tomcat Native library.

This release of Red Hat JBoss Web Server 3.1 Service Pack 2 serves as a replacement for Red Hat JBoss Web Server 3.1, and includes bug fixes, which are documented in the Release Notes document linked to in the References.

Security Fix(es):

• apr: Out-of-bounds array deref in apr_time_exp*() functions (CVE-2017-12613)
• tomcat: Remote Code Execution via JSP Upload (CVE-2017-12615)
• tomcat: Information Disclosure when using VirtualDirContext (CVE-2017-12616)
• tomcat: Remote Code Execution bypass for CVE-2017-12615 (CVE-2017-12617)
• tomcat-native: Mishandling of client certificates can allow for OCSP check bypass (CVE-2017-15698)
• tomcat: Incorrect handling of empty string URL in security constraints can lead to unintended exposure of resources (CVE-2018-1304)
• tomcat: Late application of security constraints can lead to resource exposure for unauthorised users (CVE-2018-1305)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

Before applying the update, back up your existing Red Hat JBoss Web Server installation (including all applications and configuration files).

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 Web Server 3 for RHEL 7 x86_64
• JBoss Enterprise Web Server 3 for RHEL 6 x86_64
• JBoss Enterprise Web Server 3 for RHEL 6 i386

Fixes

• BZ - 1493220 - CVE-2017-12615 tomcat: Remote Code Execution via JSP Upload
• BZ - 1493222 - CVE-2017-12616 tomcat: Information Disclosure when using VirtualDirContext
• BZ - 1494283 - CVE-2017-12617 tomcat: Remote Code Execution bypass for CVE-2017-12615
• BZ - 1506523 - CVE-2017-12613 apr: Out-of-bounds array deref in apr_time_exp*() functions
• BZ - 1540824 - CVE-2017-15698 tomcat-native: Mishandling of client certificates can allow for OCSP check bypass
• BZ - 1548282 - CVE-2018-1305 tomcat: Late application of security constraints can lead to resource exposure for unauthorised users
• BZ - 1548289 - CVE-2018-1304 tomcat: Incorrect handling of empty string URL in security constraints can lead to unintended exposure of resources

CVEs

• CVE-2017-12613
• CVE-2017-12615
• CVE-2017-12616
• CVE-2017-12617
• CVE-2017-15698
• CVE-2018-1304
• CVE-2018-1305

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/documentation/en-us/red_hat_jboss_web_server/