CVE-2020-5290

{"id": "CVE-2020-5290", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 1.3}]}, "published": "2020-04-01T20:15:15.223", "references": [{"url": "https://github.com/redpwn/rctf/issues/147", "tags": ["Exploit", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/redpwn/rctf/security/advisories/GHSA-p5fh-2vhw-fvpq", "tags": ["Exploit", "Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-384"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-384"}]}], "descriptions": [{"lang": "en", "value": "In RedpwnCTF before version 2.3, there is a session fixation vulnerability in exploitable through the `#token=$ssid` hash when making a request to the `/verify` endpoint. An attacker team could potentially steal flags by, for example, exploiting a stored XSS payload in a CTF challenge so that victim teams who solve the challenge are unknowingly (and against their will) signed into the attacker team's account. Then, the attacker can gain points / value off the backs of the victims. This is patched in version 2.3."}, {"lang": "es", "value": "En RedpwnCTF versiones anteriores a 2.3, se presenta una vulnerabilidad de fijaci\u00f3n de sesi\u00f3n explotable por medio del hash \"#token=$ssid\" cuando se realiza una petici\u00f3n al endpoint \"/verify\". Un equipo atacante podr\u00eda potencialmente robar flags, por ejemplo, explotando una carga \u00fatil de tipo XSS almacenado en un desaf\u00edo CTF para que los equipos v\u00edctimas que resuelvan el desaf\u00edo, sin saberlo (y en contra de su voluntad) hayan iniciado sesi\u00f3n en la cuenta team's del atacante. Entonces, el atacante puede conseguir puntos y valores a las espaldas de las v\u00edctimas. Esto est\u00e1 parcheado en versi\u00f3n 2.3."}], "lastModified": "2020-04-03T13:40:49.373", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ctfd:rctf:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "92D682E4-811E-49EF-A74D-F434C9831458", "versionEndExcluding": "2.3"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}