CVE-2022-39252 — matrix-rust-sdk is an implementation of a Matrix client-server library in Rust,
matrix-rust-sdk is an implementation of a Matrix client-server library in Rust, and matrix-sdk-crypto is the Matrix encryption library. Prior to version 0.6, when a user requests a room key from their devices, the software correctly remembers the request. When the user receives a
Published
2022-09-29T14:15:14.000Z
Last modified
2025-04-23T16:54:05.100Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
01What is this vulnerability?
matrix-rust-sdk is an implementation of a Matrix client-server library in Rust, and matrix-sdk-crypto is the Matrix encryption library. Prior to version 0.6, when a user requests a room key from their devices, the software correctly remembers the request. When the user receives a forwarded room key, the software accepts it without checking who the room key came from. This allows homeservers to…
02Affected products
| Vendor | Product | Versions |
|---|
| matrix-org | matrix | rust-sdk — < 0.6 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2022-09-29T14:15:14.000Z
- Last modified: 2025-04-23T16:54:05.100Z
09References
- github.com — https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-vp68-2wrm…
- github.com — https://github.com/matrix-org/matrix-rust-sdk/commit/093fb5d0aa21c0b5eaea6ec96b4…
- github.com — https://github.com/matrix-org/matrix-rust-sdk/commit/41449d2cc360e347f5d4e1c154e…
- github.com — https://github.com/matrix-org/matrix-rust-sdk/releases/tag/matrix-sdk-0.6.0
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