Issued:

2016-03-14

Updated:

2016-03-14

RHSA-2016:0445 - Important: Red Hat JBoss Web Server 2.1.0 OpenSSL security update

Synopsis

Important: Red Hat JBoss Web Server 2.1.0 OpenSSL security update

Type/Severity

Security Advisory Important

Topic

Updated packages that fix several OpenSSL security issues are available for Red Hat JBoss Web Server 2.1.0 for Microsoft Windows and Solaris.

Red Hat Product Security has rated this update as having Important 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.

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.

A padding oracle flaw was found in the Secure Sockets Layer version 2.0 (SSLv2) protocol. An attacker could potentially use this flaw to decrypt RSA-encrypted cipher text from a connection using a newer SSL/TLS protocol version, allowing them to decrypt such connections. This cross-protocol attack is publicly referred to as DROWN. (CVE-2016-0800)

A denial of service flaw was found in the way OpenSSL handled SSLv2 handshake messages. A remote attacker could use this flaw to cause a TLS/SSL server using OpenSSL to exit on a failed assertion if it had both the SSLv2 protocol and EXPORT-grade cipher suites enabled. (CVE-2015-0293)

A flaw was found in the way malicious SSLv2 clients could negotiate SSLv2 ciphers that were disabled on the server. This could result in weak SSLv2 ciphers being used for SSLv2 connections, making them vulnerable to man-in-the-middle attacks. (CVE-2015-3197)

Red Hat would like to thank the OpenSSL project for reporting these issues. Upstream acknowledges Nimrod Aviram and Sebastian Schinzel as the original reporters of CVE-2016-0800 and CVE-2015-3197; and Sean Burford (Google) and Emilia Käsper (OpenSSL development team) as the original reporters of CVE-2015-0293.

Users of Red Hat JBoss Web Server 2.1.0 are advised to upgrade to these updated packages which fix these issues. The Red Hat JBoss Web Server process must be restarted for the update to take effect.

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied, and back up your existing Red Hat JBoss Web Server installation (including all applications and configuration files).

For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

Affected Products

Fixes

• This content is not included.BZ - 1202404
• This content is not included.BZ - 1301846
• This content is not included.BZ - 1310593

CVEs

• CVE-2015-0293
• CVE-2015-3197
• CVE-2016-0800

References

• https://access.redhat.com/security/updates/classification/#important
• This content is not included.This content is not included.https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=webserver&version=2.1.0

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.