{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T14:54:05.022","vulnerabilities":[{"cve":{"id":"CVE-2023-34311","sourceIdentifier":"zdi-disclosures@trendmicro.com","published":"2024-05-03T02:15:32.753","lastModified":"2025-08-08T16:29:15.123","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Ashlar-Vellum Cobalt Untrusted Pointer Dereference Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ashlar-Vellum Cobalt. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the parsing of CO files. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process.\n. Was ZDI-CAN-19879."},{"lang":"es","value":"Vulnerabilidad de ejecución remota de código de desreferencia de puntero no confiable de Ashlar-Vellum Cobalt. Esta vulnerabilidad permite a atacantes remotos ejecutar código arbitrario en las instalaciones afectadas de Ashlar-Vellum Cobalt. Se requiere la interacción del usuario para aprovechar esta vulnerabilidad, ya que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso. La falla específica existe en el análisis de archivos CO. El problema se debe a la falta de validación adecuada de un valor proporcionado por el usuario antes de eliminar la referencia a él como puntero. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. Fue ZDI-CAN-19879."}],"metrics":{"cvssMetricV30":[{"source":"zdi-disclosures@trendmicro.com","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"weaknesses":[{"source":"zdi-disclosures@trendmicro.com","type":"Secondary","description":[{"lang":"en","value":"CWE-822"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ashlar:cobalt:12.0.1204.57:*:*:*:*:*:*:*","matchCriteriaId":"F4A06471-2F54-4CA2-80D7-D1587E8D6B2C"}]}]}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-871/","source":"zdi-disclosures@trendmicro.com","tags":["Third Party Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-871/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}