{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-37457", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-07-06T13:01:36.996Z", "datePublished": "2023-12-14T19:43:30.945Z", "dateUpdated": "2025-02-13T17:01:26.636Z"}, "containers": {"cna": {"title": "Asterisk's PJSIP_HEADER dialplan function can overwrite memory/cause crash when using 'update'", "problemTypes": [{"descriptions": [{"cweId": "CWE-120", "lang": "en", "description": "CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "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-98rc-4j27-74hh", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-98rc-4j27-74hh"}, {"name": "https://github.com/asterisk/asterisk/commit/a1ca0268254374b515fa5992f01340f7717113fa", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/a1ca0268254374b515fa5992f01340f7717113fa"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html"}], "affected": [{"vendor": "asterisk", "product": "asterisk", "versions": [{"version": "<= 18.20.0", "status": "affected"}, {"version": ">= 19.0.0, <= 20.5.0", "status": "affected"}, {"version": "= 21.0.0", "status": "affected"}, {"version": "<= 18.9-cert5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-12-29T00:06:20.393Z"}, "descriptions": [{"lang": "en", "value": "Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk versions 18.20.0 and prior, 20.5.0 and prior, and 21.0.0; as well as ceritifed-asterisk 18.9-cert5 and prior, the 'update' functionality of the PJSIP_HEADER dialplan function can exceed the available buffer space for storing the new value of a header. By doing so this can overwrite memory or cause a crash. This is not externally exploitable, unless dialplan is explicitly written to update a header based on data from an outside source. If the 'update' functionality is not used the vulnerability does not occur. A patch is available at commit a1ca0268254374b515fa5992f01340f7717113fa."}], "source": {"advisory": "GHSA-98rc-4j27-74hh", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T17:16:30.273Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/asterisk/asterisk/security/advisories/GHSA-98rc-4j27-74hh", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-98rc-4j27-74hh"}, {"name": "https://github.com/asterisk/asterisk/commit/a1ca0268254374b515fa5992f01340f7717113fa", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/asterisk/asterisk/commit/a1ca0268254374b515fa5992f01340f7717113fa"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html", "tags": ["x_transferred"]}]}]}}

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