matrix-sdk Impersonation of room keys
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2022-39252US | high7.5 | — | ||
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… | ||||
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references
External citations — patches, advisories, analysis.
- https://crates.io/crates/matrix-sdk-cryptoPACKAGE
- https://github.com/matrix-org/matrix-rust-sdk/commit/093fb5d0aa21c0b5eaea6ec96b477f1075271cbbWEB
- https://github.com/matrix-org/matrix-rust-sdk/commit/41449d2cc360e347f5d4e1c154ec1e3185f11acdWEB
- https://rustsec.org/advisories/RUSTSEC-2022-0085.htmlADVISORY
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