{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-34953", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2021-06-17T19:27:05.650Z", "datePublished": "2024-05-07T22:54:28.311Z", "dateUpdated": "2024-06-04T17:12:53.862Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2024-05-07T22:54:28.311Z"}, "title": "Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerability", "descriptions": [{"lang": "en", "value": "Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. 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 handling of Annotation objects. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14658."}], "affected": [{"vendor": "Foxit", "product": "PDF Reader", "versions": [{"version": "11.0.1.49938", "status": "affected"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-457", "description": "CWE-457: Use of Uninitialized Variable", "type": "CWE"}]}], "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1184/", "name": "ZDI-21-1184", "tags": ["x_research-advisory"]}, {"url": "https://www.foxit.com/support/security-bulletins.html", "name": "vendor-provided URL", "tags": ["vendor-advisory"]}], "dateAssigned": "2021-06-30T08:56:51.643-05:00", "datePublic": "2021-10-15T07:32:42.668-05:00", "source": {"lang": "en", "value": "ZhangJiaxing(@r0fm1a) from Codesafe Team of Legendsec at Qi'anxin Group"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"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"}}]}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-34953", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-05-08T15:35:32.934434Z"}}}], "affected": [{"cpes": ["cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_reader", "versions": [{"status": "affected", "version": "-", "versionType": "custom", "lessThanOrEqual": "11.0.1.49938"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:foxit:pdf_editor:-:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_editor", "versions": [{"status": "affected", "version": "-", "versionType": "custom", "lessThanOrEqual": "10.1.5.37672"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:foxit:pdf_editor:11.0.1.49938:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_editor", "versions": [{"status": "affected", "version": "11.0.1.49938"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:a:foxit:pdf_editor:11.0.0.49893:*:*:*:*:*:*:*"], "vendor": "foxit", "product": "pdf_editor", "versions": [{"status": "affected", "version": "11.0.0.49893"}], "defaultStatus": "unknown"}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:12:53.862Z"}}]}}

{"descriptions": [{"lang": "en", "value": "Foxit PDF Reader Annotation Use of Uninitialized Variable Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. 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 handling of Annotation objects. The issue results from the lack of proper initialization of a pointer prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14658."}, {"lang": "es", "value": "Anotaci\u00f3n de Foxit PDF Reader Uso de vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo variable no inicializado. Esta vulnerabilidad permite a atacantes remotos ejecutar c\u00f3digo arbitrario en instalaciones afectadas de Foxit PDF Reader. Se requiere la interacci\u00f3n del usuario para aprovechar esta vulnerabilidad, ya que el objetivo debe visitar una p\u00e1gina maliciosa o abrir un archivo malicioso. La falla espec\u00edfica existe en el manejo de objetos de anotaci\u00f3n. El problema se debe a la falta de una inicializaci\u00f3n adecuada de un puntero antes de acceder a \u00e9l. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto del proceso actual. Era ZDI-CAN-14658."}], "id": "CVE-2021-34953", "lastModified": "2024-05-08T13:15:00.690", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}, "published": "2024-05-07T23:15:08.857", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://www.foxit.com/support/security-bulletins.html"}, {"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1184/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-457"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{}