{"id":"CVE-2023-42102","aliases":["EUVD-2023-46561","GHSA-j3pm-qhwh-63j2"],"status":"published","title":"Ashlar-Vellum Cobalt AR File Parsing Type Confusion Remote Code Execution Vulnerability","description":"Ashlar-Vellum Cobalt AR File Parsing Type Confusion 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 AR files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.\n. Was ZDI-CAN-20409.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00572,"percentile":0.47741,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-843"],"published":"2024-05-03T02:13:13Z","modified":"2026-06-17T06:23:27Z","products":[{"vendor":"ashlar","product":"cobalt"},{"vendor":"ashlar-vellum","product":"cobalt"}],"references":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-1451/","tags":["x_research-advisory","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-42102"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-1451"},{"url":"https://github.com/advisories/GHSA-j3pm-qhwh-63j2"}],"sources":{"cve":[{"id":"CVE-2023-42102","title":"Ashlar-Vellum Cobalt AR File Parsing Type Confusion Remote Code Execution Vulnerability","description":"Ashlar-Vellum Cobalt AR File Parsing Type Confusion 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 AR files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.\n. Was ZDI-CAN-20409.","status":"published","published":"2024-05-03T02:13:13.493Z","modified":"2024-09-18T18:30:06.02Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:35:17.812395Z"}],"euvd":[{"id":"EUVD-2023-46561","description":"Ashlar-Vellum Cobalt AR File Parsing Type Confusion 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 AR files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.\n. Was ZDI-CAN-20409.","status":"published","published":"2024-05-03T02:13:13Z","modified":"2024-09-18T18:30:06Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:20.081918Z"}],"ghsa":[{"id":"GHSA-j3pm-qhwh-63j2","title":"Ashlar-Vellum Cobalt AR File Parsing Type Confusion Remote Code Execution Vulnerability. This...","description":"Ashlar-Vellum Cobalt AR File Parsing Type Confusion 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 AR files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20409.","status":"published","published":"2024-05-03T03:31:02Z","modified":"2024-05-03T03:31:27Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:57:18.288618Z"}],"nvd":[{"id":"CVE-2023-42102","description":"Ashlar-Vellum Cobalt AR File Parsing Type Confusion 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 AR files. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process.\n. Was ZDI-CAN-20409.","status":"published","published":"2024-05-03T03:15:47.81Z","modified":"2026-06-17T06:23:27.413Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:09:12.053868Z"}]}}