VulnerabilityModified
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 and can have other impacts if there is a compromise of a single private key.
MEDIUM 5.3EPSS 0.62%
Does this matter?
Lower severity and a low EPSS score (0.62%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.62% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-327
- Affected
- simplex/simplex chat · simplex/simplexmq
- Source
- cve@mitre.org
References
- https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0Release Notes, Third Party Advisory
- https://github.com/simplex-chat/simplexmq/pull/548Patch, Third Party Advisory
- https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdfExploit, Technical Description, Third Party Advisory
- https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.htmlRelease Notes, Vendor Advisory
- https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0Release Notes, Third Party Advisory
- https://github.com/simplex-chat/simplexmq/pull/548Patch, Third Party Advisory
- https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdfExploit, Technical Description, Third Party Advisory
- https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.htmlRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.