CVE-2011-4320

Description

The mod_pubsub module (mod_pubsub.erl) in ejabberd 2.1.8 and 3.0.0-alpha-3 allows remote authenticated users to cause a denial of service (infinite loop) via a stanza with a publish tag that lacks a node attribute.

Category

4.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.18% Top 25%
Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/46915 third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2011/11/19/1 mailing list
http://www.osvdb.org/77302 vdb entry
https://support.process-one.net/browse/EJAB-1498 patch
http://www.openwall.com/lists/oss-security/2011/11/19/2 mailing list
http://www.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.9

Frequently Asked Questions

What is the severity of CVE-2011-4320?
CVE-2011-4320 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4320?
To fix CVE-2011-4320, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4320 being actively exploited in the wild?
It is possible that CVE-2011-4320 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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