RHSA-2013:1428 - Security Advisory

Topic

An updated jakarta-commons-fileupload package that fixes one security issue
is now available for Red Hat JBoss Web Server 1.0.2 for Red Hat Enterprise
Linux 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 Commons FileUpload component can be used to add a file upload
capability to your applications.

A flaw was found in the way the DiskFileItem class handled NULL characters
in file names. A remote attacker able to supply a serialized instance of
the DiskFileItem class, which will be deserialized on a server, could use
this flaw to write arbitrary content to any location on the server that is
accessible to the user running the application server process.
(CVE-2013-2186)

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

All users of Red Hat JBoss Web Server 1.0.2 on Red Hat Enterprise Linux
5 and 6 are advised to upgrade to this updated package. The JBoss 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.

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/site/articles/11258

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 - 974814 - CVE-2013-2186 Apache commons-fileupload: Arbitrary file upload via deserialization

CVEs

• CVE-2013-2186

References

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