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CVE-2024-45193 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://gitlab.matrix.org/matrix-org/olm/ [email protected]Product
https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985 [email protected]Patch
https://news.ycombinator.com/item?id=41249371 [email protected]Issue Tracking
https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/ [email protected]Exploit

Weakness Enumeration

CWE-IDCWE NameSource
CWE-327Use of a Broken or Risky Cryptographic AlgorithmCISA-ADP

Affected Products

ProductVersions
matrix olm
<= 3.2.16

CPE

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

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2024-45193
NVD Published Date:
Aug 22, 2024
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2024-45193 Details - Not Deferred