Mattermost <=9.4.3 @-mention Crash via Large Messages (CVE-2024-2446)
CVE-2024-2446 Published on March 15, 2024
Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to limit the number of @-mentions processed per message, allowing an authenticated attacker to crash the client applications of other users via large, crafted messages.
Vulnerability Analysis
CVE-2024-2446 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
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2024-2446 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2024-2446
stack.watch emails you whenever new vulnerabilities are published in Mattermost Server or MatterMost. Just hit a watch button to start following.
Affected Versions
Mattermost:- Version 9.4.0, <= 9.4.2 is affected.
- Version 9.3.0, <= 9.3.1 is affected.
- Version 9.2.0, <= 9.2.5 is affected.
- Version 8.1.0, <= 8.1.9 is affected.
- Version 9.5.0 is unaffected.
- Version 9.4.3 is unaffected.
- Version 9.3.2 is unaffected.
- Version 9.2.6 is unaffected.
- Version 8.1.10 is unaffected.
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.