medium5.3
CVE-2022-45195
SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy…
Impact
SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy and can have other impacts if there is a compromise of a single private key. This occurs in the X3DH key exchange for the double ratchet protocol.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Simplex | Simplex Chat | before 4.2 |
| Simplex | Simplexmq | before 3.4.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0
- https://github.com/simplex-chat/simplexmq/pull/548
- https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf
- https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html
- https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0
- https://github.com/simplex-chat/simplexmq/pull/548
- https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf
- https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html