CVE-2024-45193
First published: Thu Aug 22 2024(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Matrix olm | <=3.2.16 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-45193?
CVE-2024-45193 is categorized as a moderate severity vulnerability due to the potential impact of Ed25519 signature malleability.
How do I fix CVE-2024-45193?
To resolve CVE-2024-45193, upgrade to a version of Matrix libolm later than 3.2.16 that incorporates necessary validation criteria.
What products are affected by CVE-2024-45193?
CVE-2024-45193 affects Matrix libolm versions up to and including 3.2.16 that are no longer supported by the maintainers.
What is the underlying issue in CVE-2024-45193?
The underlying issue in CVE-2024-45193 is Ed25519 signature malleability caused by a lack of validation to ensure that S is less than n.
Is CVE-2024-45193 exploitative in nature?
CVE-2024-45193 can potentially be exploitative, allowing attackers to manipulate signatures if they have access to the vulnerable systems.
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