CVE-2023-27349

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{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "BlueZ", "vendor": "BlueZ", "versions": [{"status": "affected", "version": "5.66"}]}], "source": "zdi-disclosures@trendmicro.com"}, {"affectedData": [{"cpes": ["cpe:2.3:a:bluez:bluez:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "bluez", "vendor": "bluez", "versions": [{"status": "affected", "version": "-"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bluez:bluez:5.66:*:*:*:*:*:*:*", "matchCriteriaId": "6C2EBB50-D125-411C-84DB-4E5EFEDCFA6B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "BlueZ Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code via Bluetooth on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious device.\n\nThe specific flaw exists within the handling of the AVRCP protocol. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19908."}, {"lang": "es", "value": "Perfil de audio BlueZ AVRCP Validaci\u00f3n inadecuada de la vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo del \u00edndice de matriz. Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar c\u00f3digo arbitrario a trav\u00e9s de Bluetooth en instalaciones afectadas de BlueZ. Se requiere la interacci\u00f3n del usuario para aprovechar esta vulnerabilidad, ya que el objetivo debe conectarse a un dispositivo malicioso. La falla espec\u00edfica existe en el manejo del protocolo AVRCP. El problema se debe a la falta de una validaci\u00f3n adecuada de los datos proporcionados por el usuario, lo que puede provocar una escritura m\u00e1s all\u00e1 del final de un b\u00fafer asignado. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de la ra\u00edz. Fue ZDI-CAN-19908."}], "id": "CVE-2023-27349", "lastModified": "2026-06-17T05:44:50.817", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-27349", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-09-18T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2024-05-03T02:15:13.140", "references": [{"source": "zdi-disclosures@trendmicro.com", "tags": ["Patch"], "url": "https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=f54299a850676d92c3dafd83e9174fcfe420ccc9"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00015.html"}, {"source": "zdi-disclosures@trendmicro.com", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-386/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=f54299a850676d92c3dafd83e9174fcfe420ccc9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-386/"}], "sourceIdentifier": "zdi-disclosures@trendmicro.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "zdi-disclosures@trendmicro.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2025:4043", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "bluez-0:5.63-5.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-04-23T00:00:00Z"}, {"advisory": "RHSA-2025:4043", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "bluez-0:5.63-5.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2025-04-23T00:00:00Z"}, {"advisory": "RHSA-2024:9413", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "bluez-0:5.72-2.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9413", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "bluez-0:5.72-2.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "BlueZ: Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability", "id": "2278787", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278787"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-129", "details": ["BlueZ Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code via Bluetooth on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious device.\nThe specific flaw exists within the handling of the AVRCP protocol. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19908.", "A vulnerability was found in the BlueZ Audio Profile AVRCP, stemming from the improper validation of array indices. This flaw resides in the AVRCP protocol handling and arises due to inadequate validation of user-supplied data. Consequently, it may lead to writing beyond the bounds of an allocated buffer. This flaw possibly allows a network-adjacent attacker to execute code within the root context via Bluetooth."], "name": "CVE-2023-27349", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "bluez", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "bluez", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "bluez", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2024-05-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-27349\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-27349\nhttps://www.zerodayinitiative.com/advisories/ZDI-23-386/"], "statement": "This vulnerability is considered moderate due to its potential impact stemming from improper validation of array indices within the BlueZ Audio Profile AVRCP implementation. The inadequate validation of user-supplied data could result in buffer overflow, enabling a network-adjacent attacker to execute code with root privileges via Bluetooth, contingent upon specific conditions being met.", "threat_severity": "Moderate"}

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