{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-57767", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-08-19T15:16:22.917Z", "datePublished": "2025-08-28T15:33:00.087Z", "dateUpdated": "2025-08-28T17:12:35.539Z"}, "containers": {"cna": {"title": "Asterisk can crash from a specifically malformed Authorization header in an incoming SIP request", "problemTypes": [{"descriptions": [{"cweId": "CWE-253", "lang": "en", "description": "CWE-253: Incorrect Check of Function Return Value", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/asterisk/asterisk/security/advisories/GHSA-64qc-9x89-rx5j", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-64qc-9x89-rx5j"}, {"name": "https://github.com/asterisk/asterisk/pull/1407", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/pull/1407"}, {"name": "https://github.com/asterisk/asterisk/commit/02993717b08f899d4aca9888062f35dfb198584f", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/02993717b08f899d4aca9888062f35dfb198584f"}], "affected": [{"vendor": "asterisk", "product": "asterisk", "versions": [{"version": "< 22.5.2", "status": "affected"}, {"version": "< 21.10.2", "status": "affected"}, {"version": "< 20.15.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-08-28T15:33:00.087Z"}, "descriptions": [{"lang": "en", "value": "Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.15.2, 21.10.2, and 22.5.2, if a SIP request is received with an Authorization header that contains a realm that wasn't in a previous 401 response's WWW-Authenticate header, or an Authorization header with an incorrect realm was received without a previous 401 response being sent, the get_authorization_header() function in res_pjsip_authenticator_digest will return a NULL. This wasn't being checked before attempting to get the digest algorithm from the header which causes a SEGV. This issue has been patched in versions 20.15.2, 21.10.2, and 22.5.2. There are no workarounds."}], "source": {"advisory": "GHSA-64qc-9x89-rx5j", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-08-28T17:12:27.086945Z", "id": "CVE-2025-57767", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-08-28T17:12:35.539Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.15.2, 21.10.2, and 22.5.2, if a SIP request is received with an Authorization header that contains a realm that wasn't in a previous 401 response's WWW-Authenticate header, or an Authorization header with an incorrect realm was received without a previous 401 response being sent, the get_authorization_header() function in res_pjsip_authenticator_digest will return a NULL. This wasn't being checked before attempting to get the digest algorithm from the header which causes a SEGV. This issue has been patched in versions 20.15.2, 21.10.2, and 22.5.2. There are no workarounds."}], "id": "CVE-2025-57767", "lastModified": "2025-08-29T16:24:29.730", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-08-28T16:15:35.410", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/02993717b08f899d4aca9888062f35dfb198584f"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/pull/1407"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-64qc-9x89-rx5j"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-253"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2025-08-28T21:21:30.820018+00:00", "updated": "2025-08-28T21:21:30.820072+00:00", "vendors": ["asterisk", "asterisk$PRODUCT$asterisk"]}