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{"descriptions": [{"lang": "en", "value": "GStreamer H265 Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\n\nThe specific flaw exists within the parsing of H265 encoded video files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.\n. Was ZDI-CAN-21768."}, {"lang": "es", "value": "Vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo de desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria de an\u00e1lisis GStreamer H265. Esta vulnerabilidad permite a atacantes remotos ejecutar c\u00f3digo arbitrario en instalaciones afectadas de GStreamer. Se requiere la interacci\u00f3n con esta librer\u00eda para aprovechar esta vulnerabilidad, pero los vectores de ataque pueden variar seg\u00fan la implementaci\u00f3n. La falla espec\u00edfica existe en el an\u00e1lisis de archivos de video codificados en H265. El problema se debe a la falta de una validaci\u00f3n adecuada de la longitud de los datos proporcionados por el usuario antes de copiarlos en un b\u00fafer basado en pila de longitud fija. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto del proceso actual. Era ZDI-CAN-21768."}], "id": "CVE-2023-40476", "lastModified": "2024-11-21T08:19:32.937", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}, "published": "2024-05-03T03:15:20.303", "references": [{"source": "zdi-disclosures@trendmicro.com", "url": "https://gstreamer.freedesktop.org/security/sa-2023-0008.html"}, {"source": "zdi-disclosures@trendmicro.com", "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1458/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://gstreamer.freedesktop.org/security/sa-2023-0008.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1458/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2024:3060", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "gstreamer1-plugins-bad-free-0:1.16.1-4.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-22T00:00:00Z"}, {"advisory": "RHSA-2024:2287", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "gstreamer1-plugins-bad-free-0:1.22.1-4.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-04-30T00:00:00Z"}], "bugzilla": {"description": "gstreamer-plugins-bad: Integer overflow in H.265 video parser leading to stack overwrite", "id": "2254589", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254589"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-190", "details": ["GStreamer H265 Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.\nThe specific flaw exists within the parsing of H265 encoded video files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.\n. Was ZDI-CAN-21768.", "A stack-based buffer overflow was found in the GStreamer Plugins Bad when handling malformed files with H.265 video streams. This issue requires user interaction with the library and may allow a malicious user to cause an integer overflow before allocating the buffer, triggering a crash or code execution via heap manipulation, executing code in the context of the current process."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-40476", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "gstreamer-plugins-bad-free", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "gstreamer1-plugins-bad-free", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "gstreamer-plugins-bad-free", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2023-09-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-40476\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-40476\nhttps://gstreamer.freedesktop.org/security/sa-2023-0008.html"], "statement": "Red Hat rates this issue as a Moderate impact, as this requires a local user and interaction with the library in order to be vulnerable to a possible crash.", "threat_severity": "Moderate", "upstream_fix": "gstreamer-plugins-bad 1.22.6"}