5.3CVSSMEDIUM
Description
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 Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:HIntegrityHigh
A:NAvailabilityNone
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
https://gitlab.matrix.org/matrix-org/olm/
gitlab.matrix.org
https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985
gitlab.matrix.org
https://news.ycombinator.com/item?id=41249371
news.ycombinator.com
and 1 more references View all →
Timeline
Published
Aug 22, 2024
Last Updated
Jun 17, 2025
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