Bug 2277342 (CVE-2024-4182)

Summary: CVE-2024-4182 mattermost: fail to handle JSON parsing errors in custom status values
Product: [Other] Security Response Reporter: Rohit Keshri <rkeshri>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dfreiber, drow, gparvin, jburrell, lbainbri, njean, owatkins, pahickey, rhaigner, sidakwo, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in Mattermost, where it fails to handle JSON parsing errors in custom status values. This flaw allows an authenticated attacker to crash other users' web clients via a malformed custom status.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2277343, 2277344    
Bug Blocks: 2277330    

Description Rohit Keshri 2024-04-26 11:57:58 UTC
Mattermost versions 9.6.0, 9.5.x before 9.5.3, 9.4.x before 9.4.5, and 8.1.x before 8.1.12 fail to handle JSON parsing errors in custom status values, which allows an authenticated attacker to crash other users' web clients via a malformed custom status.

https://mattermost.com/security-updates