Bug 1921126 (CVE-2021-26117)

Summary: CVE-2021-26117 activemq: LDAP authentication bypass with anonymous bind
Product: [Other] Security Response Reporter: Jonathan Christison <jochrist>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: aileenc, ataylor, chazlett, drieden, ganandan, ggaughan, gmalinko, janstey, jochrist, jwon, security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: activemq-artemis-2.16.0 redhat-amq-7.8.0 redhat-amq-7.4.5 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in activemq. When anonymous binds are enabled on the LDAP provider (zero length DN/password) and the LDAP module is configured to make use of these, client credentials are not correctly verified and authentication is effectively bypassed. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-02-02 14:42:22 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1880635    

Description Jonathan Christison 2021-01-27 14:54:13 UTC
A flaw was found in Red Hat AMQ 6 and ActiveMQ Artemis (Red Hat AMQ 7) with the LDAP login module, if anonymous binds are enabled on the LDAP provider (zero length DN/password) and the LDAP module is configured to make use of these, client credentials are not correctly verified and authentication is effectively bypassed. 

Upstream Issue: https://issues.apache.org/jira/browse/ARTEMIS-2895

Comment 3 Pedro Sampaio 2021-01-27 21:25:15 UTC
Public: https://www.openwall.com/lists/oss-security/2021/01/27/6

Comment 6 Chess Hazlett 2021-01-29 20:02:42 UTC
Mitigation:

There is currently no known mitigation for this issue.

Comment 7 errata-xmlrpc 2021-02-02 14:23:34 UTC
This issue has been addressed in the following products:

  Red Hat Fuse/AMQ 6.3.18

Via RHSA-2021:0384 https://access.redhat.com/errata/RHSA-2021:0384

Comment 8 Product Security DevOps Team 2021-02-02 14:42:22 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-26117