{ "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-5290", "STATE": "PUBLIC", "TITLE": "session fixation in rCTF" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "rctf", "version": { "version_data": [ { "version_value": "< 2.3" } ] } } ] }, "vendor_name": "redpwn" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "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." } ] }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-384: Session Fixation" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/redpwn/rctf/security/advisories/GHSA-p5fh-2vhw-fvpq", "refsource": "CONFIRM", "url": "https://github.com/redpwn/rctf/security/advisories/GHSA-p5fh-2vhw-fvpq" }, { "name": "https://github.com/redpwn/rctf/issues/147", "refsource": "MISC", "url": "https://github.com/redpwn/rctf/issues/147" } ] }, "source": { "advisory": "GHSA-p5fh-2vhw-fvpq", "discovery": "UNKNOWN" } }