CVE-2024-45193

{"id": "CVE-2024-45193", "cveTags": [{"tags": ["unsupported-when-assigned"], "sourceIdentifier": "cve@mitre.org"}], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2024-08-22T16:15:10.300", "references": [{"url": "https://gitlab.matrix.org/matrix-org/olm/", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985", "tags": ["Patch"], "source": "cve@mitre.org"}, {"url": "https://news.ycombinator.com/item?id=41249371", "tags": ["Issue Tracking"], "source": "cve@mitre.org"}, {"url": "https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/", "tags": ["Exploit"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-327"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Matrix libolm (tambi\u00e9n conocido como Olm) hasta la versi\u00f3n 3.2.16. Existe maleabilidad de la firma Ed25519 debido a la falta de criterios de validaci\u00f3n (no asegura que S &lt; n). NOTA: Esta vulnerabilidad solo afecta a productos que ya no son compatibles con el fabricante."}], "lastModified": "2025-06-17T19:51:54.887", "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": "cve@mitre.org"}