CVE-2025-65570

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:jsish:jsish:2.0:*:*:*:*:*:*:*", "matchCriteriaId": "D2EBBCFD-094B-4ABF-B39E-A3EBD0D2CC83", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A type confusion in jsish 2.0 allows incorrect control flow during execution of the OP_NEXT opcode. When an \u201cinstanceof\u201d expression uses an array element access as the left-hand operand inside a for-in loop, the instructions implementation leaves an additional array reference on the stack rather than consuming it during OP_INSTANCEOF. As a result, OP_NEXT interprets the array as an iterator object and reads the iterCmd function pointer from an invalid structure, potentially causing a crash or enabling code execution depending on heap layout."}, {"lang": "es", "value": "Una confusi\u00f3n de tipos en jsish 2.0 permite un flujo de control incorrecto durante la ejecuci\u00f3n del c\u00f3digo de operaci\u00f3n OP_NEXT. Cuando una expresi\u00f3n 'instanceof' utiliza un acceso a un elemento de array como operando de la izquierda dentro de un bucle for-in, la implementaci\u00f3n de las instrucciones deja una referencia de array adicional en la pila en lugar de consumirla durante OP_INSTANCEOF. Como resultado, OP_NEXT interpreta el array como un objeto iterador y lee el puntero de funci\u00f3n iterCmd de una estructura inv\u00e1lida, lo que podr\u00eda causar un fallo o permitir la ejecuci\u00f3n de c\u00f3digo dependiendo de la disposici\u00f3n de la pila."}], "id": "CVE-2025-65570", "lastModified": "2026-10-13T09:10:00.323", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-65570", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-12-31T16:41:04.254747Z", "version": "2.0.3"}}]}, "published": "2025-12-29T15:16:01.763", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.mcsky.ro/writeups/2025/11/15/inline8-writeup.html"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.mcsky.ro/writeups/2025/11/15/inline8-writeup.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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{"created": "2025-12-29T22:32:51.527068+00:00", "updated": "2025-12-29T22:32:51.527096+00:00", "vendors": ["jsish", "jsish$PRODUCT$jsish"]}