{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-23608", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "dateUpdated": "2023-08-30T00:06:27.525525", "dateReserved": "2022-01-19T00:00:00", "datePublished": "2022-02-22T00:00:00"}, "containers": {"cna": {"title": "Use after free in PJSIP", "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-08-30T00:06:27.525525"}, "descriptions": [{"lang": "en", "value": "PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions up to and including 2.11.1 when in a dialog set (or forking) scenario, a hash key shared by multiple UAC dialogs can potentially be prematurely freed when one of the dialogs is destroyed . The issue may cause a dialog set to be registered in the hash table multiple times (with different hash keys) leading to undefined behavior such as dialog list collision which eventually leading to endless loop. A patch is available in commit db3235953baa56d2fb0e276ca510fefca751643f which will be included in the next release. There are no known workarounds for this issue."}], "affected": [{"vendor": "pjsip", "product": "pjproject", "versions": [{"version": "<= 2.11.1", "status": "affected"}]}], "references": [{"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-ffff-m5fm-qm62"}, {"url": "https://github.com/pjsip/pjproject/commit/db3235953baa56d2fb0e276ca510fefca751643f"}, {"name": "20220304 AST-2022-005: pjproject: undefined behavior after freeing a dialog set", "tags": ["mailing-list"], "url": "http://seclists.org/fulldisclosure/2022/Mar/1"}, {"url": "http://packetstormsecurity.com/files/166226/Asterisk-Project-Security-Advisory-AST-2022-005.html"}, {"name": "[debian-lts-announce] 20220328 [SECURITY] [DLA 2962-1] pjproject security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html"}, {"name": "[debian-lts-announce] 20220331 [SECURITY] [DLA 2962-2] pjproject regression update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00040.html"}, {"name": "GLSA-202210-37", "tags": ["vendor-advisory"], "url": "https://security.gentoo.org/glsa/202210-37"}, {"name": "[debian-lts-announce] 20221117 [SECURITY] [DLA 3194-1] asterisk security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html"}, {"name": "DSA-5285", "tags": ["vendor-advisory"], "url": "https://www.debian.org/security/2022/dsa-5285"}, {"name": "[debian-lts-announce] 20230829 [SECURITY] [DLA 3549-1] ring security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-416: Use After Free", "cweId": "CWE-416"}]}], "source": {"advisory": "GHSA-ffff-m5fm-qm62", "discovery": "UNKNOWN"}}}}

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En las versiones hasta la versi\u00f3n 2.11.1 inclusive, cuando se encuentra en un escenario de conjunto de di\u00e1logos (o bifurcaci\u00f3n), una clave hash compartida por varios di\u00e1logos de UAC puede potencialmente liberarse prematuramente cuando se destruye uno de los di\u00e1logos. El problema puede hacer que un conjunto de di\u00e1logos se registre en la tabla hash varias veces (con diferentes claves hash), lo que lleva a un comportamiento indefinido, como la colisi\u00f3n de la lista de di\u00e1logos, lo que eventualmente conduce a un bucle sin fin. Hay un parche disponible en la confirmaci\u00f3n db3235953baa56d2fb0e276ca510fefca751643f que se incluir\u00e1 en la pr\u00f3xima versi\u00f3n. No hay soluciones alternativas conocidas para este problema"}], "id": "CVE-2022-23608", "lastModified": "2023-08-30T01:15:32.583", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2022-02-22T20:15:07.693", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/166226/Asterisk-Project-Security-Advisory-AST-2022-005.html"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2022/Mar/1"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/pjsip/pjproject/commit/db3235953baa56d2fb0e276ca510fefca751643f"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-ffff-m5fm-qm62"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00040.html"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html"}, {"source": "security-advisories@github.com", "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202210-37"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2022/dsa-5285"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "security-advisories@github.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

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