{"id":"ALPINE-CVE-2022-45142","details":"The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding \"!= 0\" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches (and possibly other branches) a logic inversion sneaked in causing the validation of message integrity codes in gssapi/arcfour to be inverted.","modified":"2026-08-27T22:18:02.056340331Z","published":"2023-03-06T23:15:11.233Z","upstream":["CVE-2022-45142"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2022-45142"}],"affected":[{"package":{"name":"heimdal","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.7.1-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.7.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.7.1-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.0-r1"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.0-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.0-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.0-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.0-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.0-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.0-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}},{"package":{"name":"heimdal","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/heimdal?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.8.0-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-45142.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}