{"id":"CVE-2018-1312","details":"In Apache httpd 2.2.0 to 2.4.29, when generating an HTTP Digest authentication challenge, the nonce sent to prevent reply attacks was not correctly generated using a pseudo-random seed. In a cluster of servers using a common Digest authentication configuration, HTTP requests could be replayed across servers by an attacker without detection.","modified":"2026-04-16T01:41:21.211251040Z","published":"2018-03-26T15:29:00.587Z","related":["SUSE-SU-2018:0879-1","SUSE-SU-2018:0901-1","SUSE-SU-2018:1079-1","SUSE-SU-2018:1161-1","SUSE-SU-2018:1161-2"],"database_specific":{"unresolved_ranges":[{"source":"CPE_FIELD","extracted_events":[{"last_affected":"12.04"}],"cpe":"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"14.04"}],"cpe":"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"16.04"}],"cpe":"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"17.10"}],"cpe":"cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"18.04"}],"cpe":"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"7.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"8.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"9.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"7.0"}],"cpe":"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"7.6"}],"cpe":"cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"7.0"}],"cpe":"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"7.6"}],"cpe":"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"7.6"}],"cpe":"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"7.0"}],"cpe":"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"}]},"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/re473305a65b4db888e3556e4dae10c2a04ee89dcff2e26ecdbd860a9%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2018/03/24/7"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/103524"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1040571"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3558"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0366"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0367"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1898"},{"type":"ADVISORY","url":"https://httpd.apache.org/security/vulnerabilities_24.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/05/msg00020.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20180601-0004/"},{"type":"ADVISORY","url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3627-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3627-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3937-2/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4164"},{"type":"ADVISORY","url":"https://www.tenable.com/security/tns-2019-09"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/httpd","events":[{"introduced":"0"},{"last_affected":"60fa04727910859b5512f7bbb36c53c4652cff2c"},{"last_affected":"67578c0315accbca1bba22d695c59d51197c99cc"},{"last_affected":"14434f9be6e1624a4b3070b0df00901fb62e9ca4"},{"last_affected":"408b0bd76056d59fa1d46deab60904b816f0d119"},{"last_affected":"7650f0ca88028593a7c5fbba2e20bca4a65b031d"},{"last_affected":"f2b561181dbd0c689fd583c60878ce05854ec5f9"},{"last_affected":"7ea253ccfeaec99b5684c909dce6d9a6d7ee6486"},{"last_affected":"015ab81d44c1f6def12fdbb7dc8d8241bf8e3ef5"},{"last_affected":"1287b680fbde78d9289029b6a6b63a3f9e58d704"},{"last_affected":"2d1deb10cfafe25ade7f30307e13b6d0c21a5473"},{"last_affected":"47a9d8e8abf5697b4580c3ee2ade302b5c058fa6"},{"last_affected":"b7ef32c4957883ab17105fa82e6331bf48bed78a"},{"last_affected":"6e65a7f3dadcade4274ae53f734d4c35188e3786"},{"last_affected":"ef07cb031c6f8f7ac483c26fc858aad68c365fd9"},{"last_affected":"954dfbe8a95dac3b93e12761f65754104f1696ea"},{"last_affected":"3cdd2d84507d2a86eb5dab2eec96f1035bb76d6c"},{"last_affected":"b898ce7c11834c1ca9bcff7aa85f9d42ee254d26"},{"last_affected":"48a67b87136be1426f2cc84de9c4e1101b37a2b9"},{"last_affected":"a168e4e5bab311688e66564ad230f32818adbacc"},{"last_affected":"8048373d9a8bd8c7237829b56a06485d5f5bf2e4"}],"database_specific":{"source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"2.4.1"},{"last_affected":"2.4.2"},{"last_affected":"2.4.3"},{"last_affected":"2.4.4"},{"last_affected":"2.4.6"},{"last_affected":"2.4.7"},{"last_affected":"2.4.9"},{"last_affected":"2.4.10"},{"last_affected":"2.4.12"},{"last_affected":"2.4.16"},{"last_affected":"2.4.17"},{"last_affected":"2.4.18"},{"last_affected":"2.4.20"},{"last_affected":"2.4.23"},{"last_affected":"2.4.25"},{"last_affected":"2.4.26"},{"last_affected":"2.4.27"},{"last_affected":"2.4.28"},{"last_affected":"2.4.29"},{"last_affected":"1.0"}],"cpe":["cpe:2.3:a:apache:http_server:2.4.1:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.2:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.3:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.4:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.6:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.7:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.9:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.10:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.12:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.16:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.17:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.18:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.20:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.23:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.25:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.26:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.27:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.28:*:*:*:*:*:*:*","cpe:2.3:a:apache:http_server:2.4.29:*:*:*:*:*:*:*","cpe:2.3:a:redhat:jboss_core_services:1.0:*:*:*:*:*:*:*"]}}],"versions":["2.4.1","2.4.10","2.4.12","2.4.16","2.4.17","2.4.18","2.4.2","2.4.20","2.4.23","2.4.25","2.4.26","2.4.27","2.4.28","2.4.29","2.4.3","2.4.4","2.4.6","2.4.7","2.4.9","HTTPD_LDAP_1_0_0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-1312.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}