Service interruption via oversized remote JSON responses
Published Jan 16, 2025 · Updated Feb 12, 2025
Memory exhaustion in Matrix Media Repo before 1.3.8 allows remote attackers to interrupt service through oversized JSON responses. The remote-response JSON parsing path accepts excessively large resource-owner responses and consumes memory without a documented response-size bound. Exploitation requires control of a server that MMR contacts; no authentication or user interaction is required, and the bounded consequence is service interruption.
Summary
What happened
Memory exhaustion in Matrix Media Repo before 1.3.8 allows remote attackers to interrupt service through oversized JSON responses. The remote-response JSON parsing path accepts excessively large resource-owner responses and consumes memory without a documented response-size bound. Exploitation requires control of a server that MMR contacts; no authentication or user interaction is required, and the bounded consequence is service interruption.
The record
- CVE
- CVE-2024-52791
- Published
- Jan 16, 2025
- Updated
- Feb 12, 2025
- Vendor
- t2bot.io
- Product
- Matrix Media Repo
- Classifications
- CWE-789, T1499.003
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 16, 2025CVE publishedPublication date reported by the CVE source.
- Feb 12, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=< 1.3.8
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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