CVE-2024-45191

An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

No configuration.

History

10 Sep 2024, 19:35

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~9.8~~	v2 : unknown v3 : 5.3

01 Sep 2024, 22:15

Type	Values Removed	Values Added
Summary	(en) An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.	(en) An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

28 Aug 2024, 19:15

Type	Values Removed	Values Added
Summary	(en) An issue was discovered in Matrix libolm (aka Olm) through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.	(en) An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

23 Aug 2024, 16:18

Type	Values Removed	Values Added
Summary		(es) Se descubrió un problema en Matrix libolm (también conocido como Olm) hasta la versión 3.2.16. La implementación de AES es vulnerable a ataques de sincronización de caché debido al uso de S-boxes. Esto está relacionado con el software que utiliza una tabla de búsqueda para el paso SubWord. NOTA: Esta vulnerabilidad solo afecta a productos que ya no son compatibles con el fabricante.

22 Aug 2024, 21:35

Type	Values Removed	Values Added
CWE		CWE-208
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

22 Aug 2024, 16:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-08-22 16:15

Updated : 2024-09-10 19:35

NVD link : CVE-2024-45191

Mitre link : CVE-2024-45191

CVE.ORG link : CVE-2024-45191

JSON object : View

Products Affected

No product.

CWE

CWE-208

Observable Timing Discrepancy

5.3 /10