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. This occurs in the X3DH key exchange for the double ratchet protocol.

CVSS v3.0 5.3 MEDIUM

5.3^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html	Release Notes Vendor Advisory
https://github.com/simplex-chat/simplexmq/pull/548	Patch Third Party Advisory
https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf	Exploit Technical Description Third Party Advisory
https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0	Release Notes Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:simplex:simplex_chat::::::::
	cpe:2.3:a:simplex:simplexmq::::::::

Information

Published : 2022-11-12 11:15

Updated : 2022-11-17 09:06

NVD link : CVE-2022-45195

Mitre link : CVE-2022-45195

JSON object : View

CWE

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

Advertisement

Products Affected

simplex

simplex_chat
simplexmq

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html", "name": "https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/simplex-chat/simplexmq/pull/548", "name": "https://github.com/simplex-chat/simplexmq/pull/548", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf", "name": "https://github.com/trailofbits/publications/blob/master/reviews/SimpleXChat.pdf", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0", "name": "https://github.com/simplex-chat/simplexmq/compare/v3.3.0...v3.4.0", "tags": ["Release Notes", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-327"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2022-45195", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.6}}, "publishedDate": "2022-11-12T19:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:simplex:simplex_chat:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.2"}, {"cpe23Uri": "cpe:2.3:a:simplex:simplexmq:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.4.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-11-17T17:06Z"}