{"id":"CVE-2023-43618","aliases":["ALPINE-CVE-2023-43618","EUVD-2023-2458","GHSA-7mp6-929p-pqhj","GO-2023-2070"],"status":"published","title":"Croc requires senders to provide local IP addresses in cleartext","description":"An issue was discovered in Croc through 9.6.5. The protocol requires a sender to provide its local IP addresses in cleartext via an ips? message.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00494,"percentile":0.4274,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-311"],"published":"2023-09-20T00:00:00Z","modified":"2026-11-04T10:45:20Z","fixes":[{"ecosystem":"Go","package":"github.com/schollz/croc/v9","fixed_in":["9.6.16"],"sources":["ghsa","osv"]},{"ecosystem":"Alpine:v3.22","package":"croc","fixed_in":["10.0.11-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"croc","fixed_in":["10.0.11-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"croc","fixed_in":["10.0.11-r0"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/schollz/croc/v9","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.6.16"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"croc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.11-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"croc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.11-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"croc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.0.11-r0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc/v9","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"9.6.16"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc/v6","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc/v8","ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/schollz/croc/v9","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"9.6.16"}]}]}],"products":[{"vendor":"schollz","product":"croc"}],"references":[{"url":"https://www.openwall.com/lists/oss-security/2023/09/08/2","tags":["x_transferred","Exploit","Mailing List","Third Party Advisory","web"]},{"url":"https://github.com/schollz/croc/issues/597","tags":["x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"http://www.openwall.com/lists/oss-security/2023/09/21/5","tags":["mailing-list","x_transferred","Mailing List","article","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-43618","tags":["advisory"]},{"url":"https://github.com/schollz/croc/pull/700","tags":["web","fix"]},{"url":"https://github.com/schollz/croc/commit/6f5f16aa1c16b1ec6f31fec35be15de466d9701b","tags":["web","fix"]},{"url":"https://github.com/advisories/GHSA-7mp6-929p-pqhj","tags":["advisory"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2023-43618","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43618.json","tags":["advisory"]},{"url":"https://github.com/schollz/croc","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-43618","description":"An issue was discovered in Croc through 9.6.5. The protocol requires a sender to provide its local IP addresses in cleartext via an ips? message.","status":"published","published":"2023-09-20T00:00:00Z","modified":"2024-09-25T13:52:42.662Z","updated_at":"2026-11-02T14:35:14.633899Z"}],"euvd":[{"id":"EUVD-2023-2458","description":"An issue was discovered in Croc through 9.6.5. The protocol requires a sender to provide its local IP addresses in cleartext via an ips? message.","status":"published","published":"2023-09-20T00:00:00Z","modified":"2024-09-25T13:52:42Z","updated_at":"2026-11-03T00:28:12.924195Z"}],"ghsa":[{"id":"GHSA-7mp6-929p-pqhj","title":"Croc requires senders to provide local IP addresses in cleartext","description":"An issue was discovered in Croc before 9.6.16. The protocol requires a sender to provide its local IP addresses in cleartext via an `ips?` message.","status":"published","published":"2023-09-20T06:30:50Z","modified":"2024-05-21T18:20:29Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-311"],"updated_at":"2026-11-02T14:37:51.549437Z"}],"nvd":[{"id":"CVE-2023-43618","description":"An issue was discovered in Croc through 9.6.5. The protocol requires a sender to provide its local IP addresses in cleartext via an ips? message.","status":"published","published":"2023-09-20T06:15:10.693Z","modified":"2026-06-17T06:26:04.83Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-311"],"updated_at":"2026-11-02T14:08:29.595868Z"}],"osv":[{"id":"ALPINE-CVE-2023-43618","description":"An issue was discovered in Croc through 9.6.5. The protocol requires a sender to provide its local IP addresses in cleartext via an ips? message.","status":"published","published":"2023-09-20T06:15:10.693Z","modified":"2026-11-03T06:32:59.347712166Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T07:16:09.603409Z"},{"id":"GHSA-7mp6-929p-pqhj","title":"Croc requires senders to provide local IP addresses in cleartext","description":"An issue was discovered in Croc before 9.6.16. The protocol requires a sender to provide its local IP addresses in cleartext via an `ips?` message.","status":"published","published":"2023-09-20T06:30:50Z","modified":"2026-09-10T03:49:57.812421727Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-311"],"updated_at":"2026-11-02T15:46:41.349637Z"},{"id":"CVE-2023-43618","description":"An issue was discovered in Croc through 9.6.5. The protocol requires a sender to provide its local IP addresses in cleartext via an ips? message.","status":"published","published":"2023-09-20T00:00:00Z","modified":"2026-11-04T10:45:20.164834929Z","updated_at":"2026-11-04T11:07:20.833685Z"},{"id":"GO-2023-2070","title":"Croc requires senders to provide local IP addresses in cleartext in github.com/schollz/croc","description":"Croc requires senders to provide local IP addresses in cleartext in github.com/schollz/croc","status":"published","published":"2024-08-21T14:30:18Z","modified":"2026-02-04T02:23:27.32882Z","updated_at":"2026-11-02T15:47:01.185262Z"}]}}