{"id":"CVE-2023-43644","state":"PUBLISHED","title":"Improper authentication in the SOCKS5 inbound in sing-box","description":"Sing-box is an open source proxy system. Affected versions are subject to an authentication bypass when specially crafted requests are sent to sing-box. This affects all SOCKS5 inbounds with user authentication and an attacker may be able to bypass authentication. Users are advised to update to sing-box 1.4.4 or to 1.5.0-rc.4. Users unable to update should not expose the SOCKS5 inbound to insecure environments.","publishedAt":"2023-09-25T19:12:35.949Z","updatedAt":"2024-09-24T19:29:54.599Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["SagerNet sing-box"],"affected":[{"vendor":"SagerNet","product":"sing-box","versions":[{"version":"< 1.4.5","status":"affected"},{"version":">= 1.5.0-beta.1, < 1.5.0-rc.4","status":"affected"}]}],"references":["https://github.com/SagerNet/sing-box/security/advisories/GHSA-r5hm-mp3j-285g"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:06:17.512Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/43xxx/CVE-2023-43644.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-43644","state":"PUBLISHED","datePublished":"2023-09-25T19:12:35.949Z","dateUpdated":"2024-09-24T19:29:54.599Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-09-20T15:35:38.146Z"},"containers":{"cna":{"title":"Improper authentication in the SOCKS5 inbound in sing-box","descriptions":[{"lang":"en","value":"Sing-box is an open source proxy system. Affected versions are subject to an authentication bypass when specially crafted requests are sent to sing-box. This affects all SOCKS5 inbounds with user authentication and an attacker may be able to bypass authentication. Users are advised to update to sing-box 1.4.4 or to 1.5.0-rc.4. Users unable to update should not expose the SOCKS5 inbound to insecure environments."}],"affected":[{"vendor":"SagerNet","product":"sing-box","versions":[{"version":"< 1.4.5","status":"affected"},{"version":">= 1.5.0-beta.1, < 1.5.0-rc.4","status":"affected"}]}],"references":[{"url":"https://github.com/SagerNet/sing-box/security/advisories/GHSA-r5hm-mp3j-285g","name":"https://github.com/SagerNet/sing-box/security/advisories/GHSA-r5hm-mp3j-285g","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306: Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2023-09-25T19:12:35.949Z"},"source":{"advisory":"GHSA-r5hm-mp3j-285g","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/SagerNet/sing-box/security/advisories/GHSA-r5hm-mp3j-285g","name":"https://github.com/SagerNet/sing-box/security/advisories/GHSA-r5hm-mp3j-285g","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T19:44:43.841Z"}},{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"sagernet","product":"sing-box","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"1.5.0-rc.5","versionType":"custom"}],"cpes":["cpe:2.3:a:sagernet:sing-box:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-24T19:28:06.483745Z","id":"CVE-2023-43644","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-24T19:29:54.599Z"}}]}}}