CVE-2022-1337

OOM DoS in Mattermost image proxy

Published Apr 13, 2022 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

Vendor Solution

Upgrade to Mattermost version 6.4.2, 6.3.5, 6.2.5, or 5.37.9.


Vendor Workaround

Disable the image proxy or use an external proxy.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-1715 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.
Github GHSA Github GHSA GHSA-f37q-q7p2-ccfc Resource exhaustion in Mattermost
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses
  • CWE-400

    Uncontrolled Resource Consumption

  • CWE-770

    Allocation of Resources Without Limits or Throttling

Sources

Status
PUBLISHED
Assigner
Mattermost
Published
Updated
Dec 6, 2024, 11:10 PM
Reserved
Apr 13, 2022, 12:00 AM
Status
Modified
Published
Apr 13, 2022, 6:15 PM
Modified
Jun 17, 2026, 4:22 AM