CVE-2024-45193

An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://gitlab.matrix.org/matrix-org/olm/	Product
https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985	Patch
https://news.ycombinator.com/item?id=41249371	Issue Tracking
https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/	Exploit

Configurations

Configuration 1 (hide)

cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2024-08-22 16:15

Updated : 2025-06-17 19:51

NVD link : CVE-2024-45193

Mitre link : CVE-2024-45193

CVE.ORG link : CVE-2024-45193

JSON object : View

Products Affected

matrix

olm

CWE

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

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