{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2025-8760", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2025-08-08T15:37:24.885Z", "datePublished": "2025-08-13T06:14:02.783Z", "dateUpdated": "2025-08-13T13:31:00.583Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2025-08-13T06:14:02.783Z" }, "title": "INSTAR 2K+/4K fcgi_server base64_decode buffer overflow", "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "Buffer Overflow" } ] }, { "descriptions": [ { "type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption" } ] } ], "affected": [ { "vendor": "INSTAR", "product": "2K+", "versions": [ { "version": "3.11.1 Build 1124", "status": "affected" } ], "modules": [ "fcgi_server" ] }, { "vendor": "INSTAR", "product": "4K", "versions": [ { "version": "3.11.1 Build 1124", "status": "affected" } ], "modules": [ "fcgi_server" ] } ], "descriptions": [ { "lang": "en", "value": "A vulnerability was identified in INSTAR 2K+ and 4K 3.11.1 Build 1124. This affects the function base64_decode of the component fcgi_server. The manipulation of the argument Authorization leads to buffer overflow. It is possible to initiate the attack remotely." }, { "lang": "de", "value": "Dabei betrifft es die Funktion base64_decode der Komponente fcgi_server. Mittels dem Manipulieren des Arguments Authorization mit unbekannten Daten kann eine buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen." } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "baseScore": 9.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X", "baseSeverity": "CRITICAL" } }, { "cvssV3_1": { "version": "3.1", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R", "baseSeverity": "CRITICAL" } }, { "cvssV3_0": { "version": "3.0", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:X/RL:W/RC:R", "baseSeverity": "CRITICAL" } }, { "cvssV2_0": { "version": "2.0", "baseScore": 10, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:ND/RL:W/RC:UR" } } ], "timeline": [ { "time": "2025-08-13T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed" }, { "time": "2025-08-13T02:00:00.000Z", "lang": "en", "value": "VulDB entry created" }, { "time": "2025-08-13T08:18:23.000Z", "lang": "en", "value": "VulDB entry last update" } ], "credits": [ { "lang": "en", "value": "Michael Imfeld (modzero AG)", "type": "finder" } ], "references": [ { "url": "https://vuldb.com/?id.319863", "name": "VDB-319863 | INSTAR 2K+/4K fcgi_server base64_decode buffer overflow", "tags": [ "vdb-entry", "technical-description" ] }, { "url": "https://vuldb.com/?ctiid.319863", "name": "VDB-319863 | CTI Indicators (IOB, IOC, IOA)", "tags": [ "signature", "permissions-required" ] }, { "url": "https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf", "tags": [ "related" ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-08-13T13:30:52.219157Z", "id": "CVE-2025-8760", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-13T13:31:00.583Z" } } ] } }