CVE-2024-52791

Denial of service through memory exhaustion in Matrix Media Repo

Description

Matrix Media Repo (MMR) is a highly configurable multi-homeserver media repository for Matrix. MMR makes requests to other servers as part of normal operation, and these resource owners can return large amounts of JSON back to MMR for parsing. In parsing, MMR can consume large amounts of memory and exhaust available memory. This is fixed in MMR v1.3.8. Users are advised to upgrade. For users unable to upgrade; forward proxies can be configured to block requests to unsafe hosts. Alternatively, MMR processes can be configured with memory limits and auto-restart. Running multiple MMR processes concurrently can help ensure a restart does not overly impact users.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.10%
Affected: t2bot matrix-media-repo
Published at:
Updated at:

References

Link Tags
https://github.com/t2bot/matrix-media-repo/security/advisories/GHSA-gp86-q8hg-fpxj
https://github.com/t2bot/matrix-media-repo/releases/tag/v1.3.8

Frequently Asked Questions

What is the severity of CVE-2024-52791?
CVE-2024-52791 has been scored as a medium severity vulnerability.
How to fix CVE-2024-52791?
To fix CVE-2024-52791, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-52791 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-52791 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-52791?
CVE-2024-52791 affects t2bot matrix-media-repo.
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