Medium severity · published Apr 13, 2022
CVE-2022-1337
The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the…
6.5
CVSS
0.9%
EPSS
No
On KEV
Description
The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
5.37.0 before 5.37.9; 6.2.0 before 6.2.5; 6.3.0 before 6.3.5; 6.4.0 before 6.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1337
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1337
Vendor Advisory
https://mattermost.com/security-updates/
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