REDHAT-BUG-850872
First published: Wed Aug 22 2012(Updated: )
A security flaw was found in the XMPP Dialback protocol implementation of jabberd2, OpenSource server implementation of the Jabber protocols (Verify Response and Authorization Response were not checked within XMPP protocol server to server session). A rogue XMPP server could use this flaw to spoof one or more domains, when communicating with vulnerable server implementation, possibly leading into XMPP's Server Dialback protections bypass. References: [1] <a href="http://xmpp.org/resources/security-notices/server-dialback/">http://xmpp.org/resources/security-notices/server-dialback/</a> Upstream patch: [2] <a href="https://github.com/Jabberd2/jabberd2/commit/aabcffae560d5fd00cd1d2ffce5d760353cf0a4d">https://github.com/Jabberd2/jabberd2/commit/aabcffae560d5fd00cd1d2ffce5d760353cf0a4d</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| jabberd2 |
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Reference Links
- http://xmpp.org/resources/security-notices/server-dialback/
- https://github.com/Jabberd2/jabberd2/commit/aabcffae560d5fd00cd1d2ffce5d760353cf0a4d
- http://www.openwall.com/lists/oss-security/2012/08/22/5
- https://access.redhat.com/security/cve/CVE-2012-3525
- http://www.openwall.com/lists/oss-security/2012/08/22/6
- https://access.redhat.com/security/updates/classification/
- https://rhn.redhat.com/errata/RHSA-2012-1539.html
- https://rhn.redhat.com/errata/RHSA-2012-1538.html
- https://bugzilla.redhat.com/show_bug.cgi?id=850872
Frequently Asked Questions
What is the severity of REDHAT-BUG-850872?
The severity of REDHAT-BUG-850872 is considered critical due to the potential for spoofing and unauthorized access.
How do I fix REDHAT-BUG-850872?
To fix REDHAT-BUG-850872, update to the latest version of jabberd2 where the vulnerability has been patched.
What impact does REDHAT-BUG-850872 have on jabberd2 users?
Users of jabberd2 may be at risk of allowing rogue servers to spoof valid communications if REDHAT-BUG-850872 is not addressed.
Is jabberd2 still vulnerable if I am using a previous version?
Yes, using a previous version of jabberd2 leaves systems vulnerable to the exploits related to REDHAT-BUG-850872.
Was REDHAT-BUG-850872 reported by a specific security organization?
REDHAT-BUG-850872 was identified and reported within the context of security assessments for jabberd2.
- collector/redhat-bugzilla
- alias/CVE-2012-3525
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- agent/references
- agent/severity
- agent/description
- agent/event
- agent/softwarecombine
- agent/tags
- agent/guess-ai
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/jabberd2
- canonical/jabberd2