CVEvulnerability
CVE-2022-39252
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-09-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-287, CWE-322
Description
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 try to insert room keys of questionable validity, potentially mounting an impersonation attack. Version 0.6 fixes this issue.
Affected configurations
• matrix matrix-rust-sdk (< 0.6)
Related
References
- https://github.com/matrix-org/matrix-rust-sdk/commit/093fb5d0aa21c0b5eaea6ec96b477f1075271cbb Patch, Third Party Advisory
- https://github.com/matrix-org/matrix-rust-sdk/commit/41449d2cc360e347f5d4e1c154ec1e3185f11acd Patch, Third Party Advisory
- https://github.com/matrix-org/matrix-rust-sdk/releases/tag/matrix-sdk-0.6.0 Release Notes, Third Party Advisory
- https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-vp68-2wrm-69qm Third Party Advisory
- https://github.com/matrix-org/matrix-rust-sdk/commit/093fb5d0aa21c0b5eaea6ec96b477f1075271cbb Patch, Third Party Advisory
- https://github.com/matrix-org/matrix-rust-sdk/commit/41449d2cc360e347f5d4e1c154ec1e3185f11acd Patch, Third Party Advisory
- https://github.com/matrix-org/matrix-rust-sdk/releases/tag/matrix-sdk-0.6.0 Release Notes, Third Party Advisory
- https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-vp68-2wrm-69qm Third Party Advisory