Bug 1989381 (CVE-2021-36217)

Summary: CVE-2021-36217 avahi: local DoS against avahi-daemon via D-Bus interface
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED DUPLICATE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: lpoetter, msekleta, rdieter
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Last Closed: 2021-08-09 16:51:09 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 1989382    
Bug Blocks: 1989383    

Description Dhananjay Arunesh 2021-08-03 05:55:15 UTC
Avahi 0.8 allows a local denial of service (NULL pointer dereference and daemon crash) against avahi-daemon via the D-Bus interface or a "ping .local" command.

Referenecs:
https://github.com/lathiat/avahi/commit/9d31939e55280a733d930b15ac9e4dda4497680c

Comment 1 Dhananjay Arunesh 2021-08-03 05:55:39 UTC
Created avahi tracking bugs for this issue:

Affects: fedora-all [bug 1989382]

Comment 3 Garrett Tucker 2021-08-09 16:51:09 UTC

*** This bug has been marked as a duplicate of bug 1946914 ***