Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Simplex | Simplex Chat | < 4.2 |
| Simplex | Simplexmq | < 3.4.0 |
Related Weaknesses (CWE)
References
- https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0Release NotesThird Party Advisory
- https://github.com/simplex-chat/simplexmq/pull/548PatchThird Party Advisory
- https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdfExploitTechnical DescriptionThird Party Advisory
- https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.Release NotesVendor Advisory
- https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0Release NotesThird Party Advisory
- https://github.com/simplex-chat/simplexmq/pull/548PatchThird Party Advisory
- https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdfExploitTechnical DescriptionThird Party Advisory
- https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.Release NotesVendor Advisory
FAQ
What is CVE-2022-45195?
CVE-2022-45195 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2022-45195?
CVE-2022-45195 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-45195?
Check the references section above for vendor advisories and patch information. Affected products include: Simplex Simplex Chat, Simplex Simplexmq.