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CVE-2011-4320

4.0 · MEDIUM

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…

Published Feb 18, 2012process-oneCWE-399EPSS 2.05%

Overview

CVE-2011-4320 is a medium-severity vulnerability affecting process-one ejabberd. It was published on February 18, 2012 and has a CVSS 2.0 base score of 4.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from process-one. Update ejabberd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refsecunia.com/advisories/46915Refwww.openwall.com/lists/oss-security/2011/11/19/1Refwww.openwall.com/lists/oss-security/2011/11/19/2Refwww.osvdb.org/77302Refwww.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.9Refsupport.process-one.net/browse/EJAB-1498Refsecunia.com/advisories/46915Refwww.openwall.com/lists/oss-security/2011/11/19/1Refwww.openwall.com/lists/oss-security/2011/11/19/2Refwww.osvdb.org/77302

How CyberStrike helps

Frequently asked questions

What is CVE-2011-4320?

CVE-2011-4320 is a medium-severity vulnerability affecting process-one ejabberd. It was published on February 18, 2012 and has a CVSS 2.0 base score of 4.0 (MEDIUM).

How severe is CVE-2011-4320?

This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2011-4320?

Check the references section for vendor advisories and patches from process-one. Update ejabberd to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-4320?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-4320 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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