CVE-2023-42114
Vulnerability from cvelistv5
Published
2024-05-03 02:13
Modified
2024-09-18 18:30
Severity ?
EPSS score ?
Summary
Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to disclose information in the context of the service account.
. Was ZDI-CAN-17433.
References
{ "containers": { "adp": [ { "affected": [ { "cpes": [ "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "exim", "vendor": "exim", "versions": [ { "lessThan": "4.96.1", "status": "affected", "version": "0", "versionType": "custom" }, { "lessThan": "4.97", "status": "affected", "version": "0", "versionType": "custom" } ] } ], "metrics": [ { "other": { "content": { "id": "CVE-2023-42114", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-05-03T17:07:34.132027Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-07-05T16:26:44.707Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" }, { "providerMetadata": { "dateUpdated": "2024-08-02T19:16:50.504Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "name": "ZDI-23-1468", "tags": [ "x_research-advisory", "x_transferred" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1468/" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unknown", "product": "Exim", "vendor": "Exim", "versions": [ { "status": "affected", "version": "exim 4.95" } ] } ], "dateAssigned": "2023-09-06T16:25:45.452-05:00", "datePublic": "2023-09-27T17:20:59.884-05:00", "descriptions": [ { "lang": "en", "value": "Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to disclose information in the context of the service account.\n. Was ZDI-CAN-17433." } ], "metrics": [ { "cvssV3_0": { "baseScore": 3.7, "baseSeverity": "LOW", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.0" }, "format": "CVSS" } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-125", "description": "CWE-125: Out-of-bounds Read", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-09-18T18:30:09.394Z", "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi" }, "references": [ { "name": "ZDI-23-1468", "tags": [ "x_research-advisory" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-1468/" } ], "source": { "lang": "en", "value": "Anonymous" }, "title": "Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability" } }, "cveMetadata": { "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "assignerShortName": "zdi", "cveId": "CVE-2023-42114", "datePublished": "2024-05-03T02:13:22.934Z", "dateReserved": "2023-09-06T21:14:24.435Z", "dateUpdated": "2024-09-18T18:30:09.394Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-42114\",\"sourceIdentifier\":\"zdi-disclosures@trendmicro.com\",\"published\":\"2024-05-03T03:15:49.923\",\"lastModified\":\"2024-11-21T08:22:18.207\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Exim. Authentication is not required to exploit this vulnerability.\\n\\nThe specific flaw exists within the handling of NTLM challenge requests. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage this vulnerability to disclose information in the context of the service account.\\n. Was ZDI-CAN-17433.\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad de divulgaci\u00f3n de informaci\u00f3n de lectura fuera de los l\u00edmites del desaf\u00edo Exim NTLM. Esta vulnerabilidad permite a atacantes remotos revelar informaci\u00f3n confidencial sobre las instalaciones afectadas de Exim. No se requiere autenticaci\u00f3n para aprovechar esta vulnerabilidad. La falla espec\u00edfica existe en el manejo de solicitudes de desaf\u00edo NTLM. El problema se debe a la falta de una validaci\u00f3n adecuada de los datos proporcionados por el usuario, lo que puede provocar una lectura m\u00e1s all\u00e1 del final de una estructura de datos asignada. Un atacante puede aprovechar esta vulnerabilidad para revelar informaci\u00f3n en el contexto de la cuenta de servicio. Era ZDI-CAN-17433.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":3.7,\"baseSeverity\":\"LOW\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.2,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"references\":[{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-23-1468/\",\"source\":\"zdi-disclosures@trendmicro.com\"},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-23-1468/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}" } }
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Sightings
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.