CVE-2024-42475

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{"affected": [{"affectedData": [{"product": "oauth", "vendor": "CORDEA", "versions": [{"status": "affected", "version": "< 0.11"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the OAuth library for nim prior to version 0.11, the `state` values generated by the `generateState` function do not have sufficient entropy. These can be successfully guessed by an attacker allowing them to perform a CSRF vs a user, associating the user's session with the attacker's protected resources. While `state` isn't exactly a cryptographic value, it should be generated in a cryptographically secure way. `generateState` should be using a CSPRNG. Version 0.11 modifies the `generateState` function to generate `state` values of at least 128 bits of entropy while using a CSPRNG."}, {"lang": "es", "value": "En la librer\u00eda OAuth para nim anterior a la versi\u00f3n 0.11, los valores de \"state\" generados por la funci\u00f3n \"generateState\" no tienen suficiente entrop\u00eda. Un atacante puede adivinarlos con \u00e9xito, permiti\u00e9ndole realizar un CSRF frente a un usuario, asociando la sesi\u00f3n del usuario con los recursos protegidos del atacante. Si bien \"state\" no es exactamente un valor criptogr\u00e1fico, debe generarse de forma criptogr\u00e1ficamente segura. `generateState` deber\u00eda usar un CSPRNG. La versi\u00f3n 0.11 modifica la funci\u00f3n \"generateState\" para generar valores de \"state\" de al menos 128 bits de entrop\u00eda mientras se usa un CSPRNG."}], "id": "CVE-2024-42475", "lastModified": "2026-06-17T07:49:31.400", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-42475", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-08-19T19:19:16.514547Z", "version": "2.0.3"}}]}, "published": "2024-08-15T19:15:19.520", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/CORDEA/oauth/blob/b8c163b0d9cfad6d29ce8c1fb394e5f47182ee1c/src/oauth2.nim#L179"}, {"source": "security-advisories@github.com", "url": "https://github.com/CORDEA/oauth/security/advisories/GHSA-332c-q46h-fg8f"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-330"}, {"lang": "en", "value": "CWE-352"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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