{"id":"CVE-2024-23771","details":"darkhttpd before 1.15 uses strcmp (which is not constant time) to verify authentication, which makes it easier for remote attackers to bypass authentication via a timing side channel.","modified":"2026-08-12T14:52:03.937251Z","published":"2024-01-22T00:00:00Z","database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/23xxx/CVE-2024-23771.json"},"references":[{"type":"WEB","url":"https://github.com/emikulic/darkhttpd/compare/v1.14...v1.15"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/23xxx/CVE-2024-23771.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-23771"},{"type":"FIX","url":"https://github.com/emikulic/darkhttpd/commit/f477619d49f3c4de9ad59bd194265a48ddc03f04"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2024/01/25/1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/emikulic/darkhttpd","events":[{"introduced":"0"},{"fixed":"a48460096e29fcd31d90c735f9f171f61d1ceaf7"},{"fixed":"f477619d49f3c4de9ad59bd194265a48ddc03f04"}],"database_specific":{"cpe":"cpe:2.3:a:unix4lyfe:darkhttpd:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.15"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v1.14","v1.13"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-23771.json","vanir_signatures_modified":"2026-08-12T14:52:03Z","vanir_signatures":[{"signature_version":"v1","source":"https://github.com/emikulic/darkhttpd/commit/f477619d49f3c4de9ad59bd194265a48ddc03f04","target":{"file":"darkhttpd.c","function":"process_request"},"deprecated":false,"digest":{"function_hash":"301461089074725362514853166162378530787","length":843},"id":"CVE-2024-23771-76dc99a8","signature_type":"Function"},{"source":"https://github.com/emikulic/darkhttpd/commit/f477619d49f3c4de9ad59bd194265a48ddc03f04","target":{"file":"darkhttpd.c"},"deprecated":false,"digest":{"line_hashes":["81946186284761139741319147839175658108","106561700882115311000739827306700002006","147475379316013932829967109674435413800","109742141827425869513194926466827679693","282520728650876085544881849703476598750","337677668882144958825087898724398115252","330159131933400415522867574300121074704","24003744035248388609520759344480901539","5387317546012290782659143963283973787","146694391410098652838281636396438849018","315168707514352718894909127043319660850","321136093263536869815987418935204363433"],"threshold":0.9},"id":"CVE-2024-23771-d16d511e","signature_type":"Line","signature_version":"v1"}]}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}