{"id":"CVE-2020-11945","details":"An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the attacker can overflow the nonce reference counter (a short integer). Remote code execution may occur if the pooled token credentials are freed (instead of replayed as valid credentials).","modified":"2026-04-02T02:10:27.489422Z","published":"2020-04-23T15:15:14.233Z","related":["ALSA-2020:2041","MGASA-2020-0187","SUSE-SU-2020:1134-1","SUSE-SU-2020:1156-1","SUSE-SU-2020:1227-1","SUSE-SU-2020:14460-1","openSUSE-SU-2020:0623-1","openSUSE-SU-2024:11403-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4FWQRYZJPHAZBLXJ56FPCHJN5X2FP3VA/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RV2VZWFJNO3B56IVN56HHKJASG5DYUIX/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H4MWXEZAJSOGRJSS2JCJK4WBSND4IV46/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00018.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210304-0004/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4682"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/04/23/2"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202005-05"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4356-1/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html"},{"type":"ADVISORY","url":"http://master.squid-cache.org/Versions/v4/changesets/squid-4-eeebf0f37a72a2de08348e85ae34b02c34e9a811.patch"},{"type":"REPORT","url":"https://bugzilla.suse.com/show_bug.cgi?id=1170313"},{"type":"FIX","url":"https://github.com/squid-cache/squid/pull/585"},{"type":"FIX","url":"http://www.squid-cache.org/Versions/v4/changesets/squid-4-eeebf0f37a72a2de08348e85ae34b02c34e9a811.patch"},{"type":"FIX","url":"https://github.com/squid-cache/squid/commit/eeebf0f37a72a2de08348e85ae34b02c34e9a811"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/squid-cache/squid","events":[{"introduced":"0"},{"last_affected":"6cfeb300caf423ff49a0511d8bd43a56f3418273"},{"introduced":"0"},{"fixed":"1683cc19eea84e522beb463d00358a4265989f90"},{"introduced":"0"},{"fixed":"3953412ebd17d99eb6bab35695880d4b09c4ac2d"},{"introduced":"0"},{"last_affected":"a3f681bfbc39768cecd7d12271e99f32fe4425e3"},{"fixed":"eeebf0f37a72a2de08348e85ae34b02c34e9a811"}],"database_specific":{"versions":[{"introduced":"3.0"},{"last_affected":"3.5.28"},{"introduced":"4.0"},{"fixed":"4.11"},{"introduced":"5.0"},{"fixed":"5.0.2"},{"introduced":"0"},{"last_affected":"32"}]}}],"versions":["4.15-20210522-snapshot","4.15-20210523-snapshot","4.15-20210524-snapshot","4.15-20210525-snapshot","4.15-20210527-snapshot","5.0.6-20210522-snapshot","5.0.6-20210523-snapshot","5.0.6-20210524-snapshot","5.0.6-20210525-snapshot","5.0.6-20210527-snapshot","6.0.0-20210522-master-snapshot","6.0.0-20210523-master-snapshot","6.0.0-20210524-master-snapshot","6.0.0-20210525-master-snapshot","6.0.0-20210527-master-snapshot","BASIC_TPROXY4","BumpSslServerFirst.take01","BumpSslServerFirst.take02","BumpSslServerFirst.take03","BumpSslServerFirst.take04","BumpSslServerFirst.take05","BumpSslServerFirst.take06","BumpSslServerFirst.take07","BumpSslServerFirst.take08","BumpSslServerFirst.take09","BumpSslServerFirst.take10","HISTORIC_RELEASES","M-staged-PR151","M-staged-PR161","M-staged-PR164","M-staged-PR170","M-staged-PR175","M-staged-PR176","M-staged-PR177","M-staged-PR179","M-staged-PR181","M-staged-PR182","M-staged-PR183","M-staged-PR186","M-staged-PR187","M-staged-PR189","M-staged-PR193","M-staged-PR195","M-staged-PR196","M-staged-PR198","M-staged-PR199","M-staged-PR200","M-staged-PR202","M-staged-PR206","M-staged-PR208","M-staged-PR209","M-staged-PR210","M-staged-PR211","M-staged-PR213","M-staged-PR218","M-staged-PR220","M-staged-PR221","M-staged-PR223","M-staged-PR225","M-staged-PR227","M-staged-PR228","M-staged-PR229","M-staged-PR230","M-staged-PR231","M-staged-PR232","M-staged-PR235","M-staged-PR237","M-staged-PR238","M-staged-PR239","M-staged-PR241","M-staged-PR242","M-staged-PR243","M-staged-PR252","M-staged-PR255","M-staged-PR258","M-staged-PR264","M-staged-PR266","M-staged-PR267","M-staged-PR268","M-staged-PR273","M-staged-PR274","M-staged-PR276","M-staged-PR281","M-staged-PR282","M-staged-PR285","M-staged-PR287","M-staged-PR288","M-staged-PR293","M-staged-PR294","M-staged-PR295","M-staged-PR299","M-staged-PR304","M-staged-PR306","M-staged-PR307","M-staged-PR310","M-staged-PR311","M-staged-PR314","M-staged-PR319","M-staged-PR324","M-staged-PR330","M-staged-PR342","M-staged-PR345","M-staged-PR347","M-staged-PR348","M-staged-PR351","M-staged-PR356","M-staged-PR357","M-staged-PR359","M-staged-PR362","M-staged-PR364","M-staged-PR365","M-staged-PR366","M-staged-PR370","M-staged-PR372","M-staged-PR373","M-staged-PR375","M-staged-PR376","M-staged-PR379","M-staged-PR59","M-staged-PR71","SQUID_3_0_PRE1","SQUID_3_0_PRE2","SQUID_3_0_PRE3","SQUID_3_0_PRE4","SQUID_3_0_PRE5","SQUID_3_0_PRE6","SQUID_3_0_PRE7","SQUID_3_0_RC1","SQUID_3_0_STABLE1","SQUID_3_0_STA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