Mattermost v9.6.0-9.4.5: JSON Parse Error in Custom Status Crashes Client (DoS)
CVE-2024-4182 Published on April 26, 2024
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.
Vulnerability Analysis
CVE-2024-4182 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
Improper Check for Unusual or Exceptional Conditions
The software does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the software.
Products Associated with CVE-2024-4182
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Affected Versions
Mattermost:- Version 9.6.0 is affected.
- Version 9.5.0, <= 9.5.2 is affected.
- Version 9.4.0, <= 9.4.4 is affected.
- Version 8.1.0, <= 8.1.11 is affected.
- Version 9.7.0 is unaffected.
- Version 9.6.1 is unaffected.
- Version 9.5.3 is unaffected.
- Version 9.4.5 is unaffected.
- Version 8.1.12 is unaffected.
- Version 8.1, <= 9.7 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.