Bug 2222693 (CVE-2023-38201)

Summary: CVE-2023-38201 Keylime: challenge-response protocol bypass during agent registration
Product: [Other] Security Response Reporter: Zack Miele <zmiele>
Component: vulnerabilityAssignee: Nobody <nobody>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: ansasaki, dueno, ksrot, pkoncity, scorreia, security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: keylime 7.5.0 Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in the Keylime registrar that could allow a bypass of the challenge-response protocol during agent registration. This issue may allow an attacker to impersonate an agent and hide the true status of a monitored machine if the fake agent is added to the verifier list by a legitimate user, resulting in a breach of the integrity of the registrar database.
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Clone Of: Environment:
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Regression: --- Mount Type: ---
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Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2222695, 2234463    
Bug Blocks: 2222691    

Description Zack Miele 2023-07-13 13:25:13 UTC 
A security issue was found in the Keylime registrar that allows bypassing the challenge-response protocol during agent registration.

References:

https://github.com/keylime/keylime/security/advisories/GHSA-f4r5-q63f-gcww
https://github.com/keylime/keylime/commit/9e5ac9f25cd400b16d5969f531cee28290543f2a
https://github.com/keylime/keylime/releases/tag/v7.5.0
Comment 2 errata-xmlrpc 2023-09-12 10:10:48 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:5080 https://access.redhat.com/errata/RHSA-2023:5080