CVE-2024-45192

An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. 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

Vector :

Exploitability : 1.6 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

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 19:55

NVD link : CVE-2024-45192

Mitre link : CVE-2024-45192

CVE.ORG link : CVE-2024-45192

JSON object : View

Products Affected

matrix

olm

CWE

CWE-385

Covert Timing Channel

{"id": "CVE-2024-45192", "cveTags": [{"tags": ["unsupported-when-assigned"], "sourceIdentifier": "[email protected]"}], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.6}]}, "published": "2024-08-22T16:15:10.237", "references": [{"url": "https://gitlab.matrix.org/matrix-org/olm/", "tags": ["Product"], "source": "[email protected]"}, {"url": "https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985", "tags": ["Patch"], "source": "[email protected]"}, {"url": "https://news.ycombinator.com/item?id=41249371", "tags": ["Issue Tracking"], "source": "[email protected]"}, {"url": "https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/", "tags": ["Exploit"], "source": "[email protected]"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-385"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Matrix libolm (tambi\u00e9n conocido como Olm) hasta la versi\u00f3n 3.2.16. Los ataques de sincronizaci\u00f3n de cach\u00e9 pueden ocurrir debido al uso de base64 al decodificar claves de sesi\u00f3n grupal. NOTA: Esta vulnerabilidad solo afecta a productos que ya no son compatibles con el fabricante."}], "lastModified": "2025-06-17T19:55:30.917", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C7B17FB9-0BA5-45F7-BC70-42077F48B4B9", "versionEndIncluding": "3.2.16"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}