Red Hat Security Advisory: Red Hat Network Satellite server jabberd security update Security Advisory secalert@redhat.com Red Hat Security Response Team RHSA-2012:1538 Final 1 1 2012-12-04T18:53:00Z Current version 2012-12-04T18:53:00Z 2012-12-04T18:53:00Z Red Hat rhsa-to-cvrf 1.0.1484 2012-12-04T19:16:06Z An updated jabberd package that fixes one security issue is now available for Red Hat Network Satellite 5.5 for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having low 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. This package provides jabberd 2, an Extensible Messaging and Presence Protocol (XMPP) server used for XML based communication. It was discovered that the XMPP Dialback protocol implementation in jabberd 2 did not properly validate Verify Response and Authorization Response messages. A remote attacker able to connect to the jabberd's server-to-server communication port could possibly use this flaw to spoof source domains of the XMPP messages. (CVE-2012-3525) Users of Red Hat Network Satellite 5.5 are advised to upgrade to this updated jabberd package, which resolves this issue. For this update to take effect, Red Hat Network Satellite must be restarted. Refer to the Solution section for details. Please see https://www.redhat.com/footer/terms-of-use.html Copyright © 2012 Red Hat, Inc. All rights reserved. Low https://rhn.redhat.com/errata/RHSA-2012-1538.html https://rhn.redhat.com/errata/RHSA-2012-1538.html https://access.redhat.com/security/updates/classification/#low https://access.redhat.com/security/updates/classification/#low Red Hat Network Satellite Server 5.5 (RHEL v.5) Red Hat Network Satellite Server 5.5 (RHEL v.6) jabberd-2.2.8-20.el5sat.src.rpm jabberd-2.2.8-20.el6sat.src.rpm jabberd-2.2.8-20.el5sat as a component of Red Hat Network Satellite Server 5.5 (RHEL v.5) jabberd-2.2.8-20.el6sat as a component of Red Hat Network Satellite Server 5.5 (RHEL v.6) It was discovered that the XMPP Dialback protocol implementation in jabberd 2 did not properly validate Verify Response and Authorization Response messages. A remote attacker able to connect to the jabberd's server-to-server communication port could possibly use this flaw to spoof source domains of the XMPP messages. 2012-08-22T00:00:00Z 2012-08-21T00:00:00Z CVE-2012-3525 5Server-Satellite55:jabberd-2.2.8-20.el5sat 6Server-Satellite55:jabberd-2.2.8-20.el6sat Low 2.6 AV:N/AC:H/Au:N/C:P/I:N/A:N 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/knowledge/articles/11258 Run the following command to restart the Red Hat Network Satellite server: # rhn-satellite restart https://rhn.redhat.com/errata/RHSA-2012-1538.html https://www.redhat.com/security/data/cve/CVE-2012-3525.html CVE-2012-3525 https://bugzilla.redhat.com/show_bug.cgi?id=850872 bz#850872: CVE-2012-3525 jabberd: Prone to unsolicited XMPP Dialback attacks