RHSA-2011:1329 - Security Advisory

Topic

Updated httpd and httpd22 packages that fix one security issue are now
available for JBoss Enterprise Web Server 1.0.2 for Red Hat Enterprise
Linux 4, 5, and 6.

The Red Hat Security Response Team has rated this update as having
important 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

The Apache HTTP Server is a popular web server.

A flaw was found in the way the Apache HTTP Server handled Range HTTP
headers. A remote attacker could use this flaw to cause the Apache HTTP
Server to use an excessive amount of memory and CPU time via HTTP requests
with a specially-crafted Range header. (CVE-2011-3192)

All users of JBoss Enterprise Web Server 1.0.2 should upgrade to these
updated packages, which contain a backported patch to correct this issue.
After installing the updated packages, Red Hat Enterprise Linux 4 users
must restart the httpd22 service, and Red Hat Enterprise Linux 5 and 6
users must restart the httpd service, for the 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/kb/docs/DOC-11259

Affected Products

• JBoss Enterprise Web Server 1 for RHEL 6 x86_64
• JBoss Enterprise Web Server 1 for RHEL 6 i386
• JBoss Enterprise Web Server 1 for RHEL 5 x86_64
• JBoss Enterprise Web Server 1 for RHEL 5 i386

Fixes

• BZ - 732928 - CVE-2011-3192 httpd: multiple ranges DoS

CVEs

• CVE-2011-3192

References

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