{"id":"CVE-2019-20044","details":"In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULE_PATH=/dir/with/module zmodload with a module that calls setuid().","modified":"2026-04-10T04:17:00.262138Z","published":"2020-02-24T14:15:11.667Z","related":["ALSA-2020:0903","MGASA-2020-0107","SUSE-SU-2022:0732-1","SUSE-SU-2022:0733-1","SUSE-SU-2022:0735-1","SUSE-SU-2022:14910-1","openSUSE-SU-2022:0735-1","openSUSE-SU-2024:11543-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PN5V7MPHRRP7QNHOEK56S7QGRU53WUN6/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC/"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2020/May/49"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html"},{"type":"ADVISORY","url":"https://support.apple.com/HT211168"},{"type":"ADVISORY","url":"https://support.apple.com/HT211171"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2020/May/53"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2020/May/55"},{"type":"ADVISORY","url":"http://seclists.org/fulldisclosure/2020/May/59"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202003-55"},{"type":"ADVISORY","url":"http://zsh.sourceforge.net/releases.html"},{"type":"ADVISORY","url":"https://support.apple.com/HT211170"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT211168"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT211171"},{"type":"ADVISORY","url":"https://www.zsh.org/mla/zsh-announce/141"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/03/msg00004.html"},{"type":"ADVISORY","url":"https://support.apple.com/HT211175"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT211170"},{"type":"ADVISORY","url":"https://support.apple.com/kb/HT211175"},{"type":"PACKAGE","url":"https://github.com/XMB5/zsh-privileged-upgrade"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/zsh-users/zsh","events":[{"introduced":"0"},{"fixed":"77d203f3fbbd76386bf197f9776269a1de580bb5"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"5.8"}]}}],"versions":["5.1.1-test-2","5.3.1-test-2","5.4","5.4.1","post-opt-arg","pre-func-move","pre-opt-arg","zsg-4.1.1-test-2","zsh-3.1.6-dev-21","zsh-3.1.6-dev-22","zsh-3.1.7","zsh-3.1.7-pre-2","zsh-3.1.7-pre-3","zsh-3.1.7-pre-4","zsh-3.1.7-prep-1","zsh-3.1.8","zsh-3.1.9","zsh-3.1.9-dev-1","zsh-3.1.9-dev-2","zsh-3.1.9-dev-3","zsh-3.1.9-dev-4","zsh-3.1.9-dev-5","zsh-3.1.9-dev-6","zsh-3.1.9-dev-7","zsh-3.1.9-dev-8","zsh-4.0.1","zsh-4.0.1-pre-1","zsh-4.0.1-pre-3","zsh-4.0.1-pre-4","zsh-4.0.1-pre-5","zsh-4.0.2-pre-2","zsh-4.1.0-dev-1","zsh-4.1.0-dev-2","zsh-4.1.0-dev-3","zsh-4.1.0-dev-4","zsh-4.1.0-dev-5","zsh-4.1.0-dev-7","zsh-4.1.1","zsh-4.1.1-test-1","zsh-4.1.1-test-3","zsh-4.2.0","zsh-4.2.0-pre-1","zsh-4.2.0-pre-2","zsh-4.2.0-pre-3","zsh-4.2.0-pre-4","zsh-4.2.1","zsh-4.2.1-test-A","zsh-4.2.2","zsh-4.2.3","zsh-4.3.0-dev-3","zsh-4.3.0-dev-4","zsh-4.3.0-dev-5","zsh-4.3.1","zsh-4.3.10","zsh-4.3.10-dev-2","zsh-4.3.10-test-3","zsh-4.3.11","zsh-4.3.11-dev-4","zsh-4.3.12","zsh-4.3.12-test-3","zsh-4.3.13","zsh-4.3.14","zsh-4.3.15","zsh-4.3.16","zsh-4.3.17","zsh-4.3.17-test-2","zsh-4.3.2","zsh-4.3.3","zsh-4.3.4","zsh-4.3.4-dev-2","zsh-4.3.4-dev-4","zsh-4.3.4-dev-5","zsh-4.3.4-dev-6","zsh-4.3.4-dev-7","zsh-4.3.4-dev-8","zsh-4.3.5","zsh-4.3.5-dev-1","zsh-4.3.5-dev-2","zsh-4.3.5-dev-3","zsh-4.3.5-dev-4","zsh-4.3.6","zsh-4.3.6-dev-1","zsh-4.3.6-dev-2","zsh-4.3.7","zsh-4.3.8","zsh-4.3.9","zsh-4.3.9-dev-3","zsh-4.3.9-dev-5","zsh-5.0.0","zsh-5.0.0-test-1","zsh-5.0.1","zsh-5.0.2","zsh-5.0.2-test-1","zsh-5.0.2-test-2","zsh-5.0.2-test-3","zsh-5.0.3","zsh-5.0.4","zsh-5.0.5","zsh-5.0.5-dev-1","zsh-5.0.5-dev-2","zsh-5.0.5-dev-3","zsh-5.0.6","zsh-5.0.6-dev-1","zsh-5.0.7","zsh-5.0.7-dev-2","zsh-5.0.7-dev-4","zsh-5.0.8","zsh-5.0.8-test-3","zsh-5.1","zsh-5.1-test-1","zsh-5.1.1","zsh-5.1.1-test-1","zsh-5.1.1-test-2","zsh-5.1.1-test-3","zsh-5.2","zsh-5.2-test-1","zsh-5.2-test-2","zsh-5.2-test-3","zsh-5.3","zsh-5.3.1","zsh-5.4","zsh-5.4.1","zsh-5.4.2","zsh-5.4.2-test-1","zsh-5.4.2-test-2","zsh-5.5","zsh-5.5.1","zsh-5.5.1-test-1","zsh-5.5.1-test-2","zsh-5.6","zsh-5.6.1","zsh-5.6.2","zsh-5.6.2-test-2","zsh-5.6.2-test-3","zsh-5.7","zsh-5.7.1","zsh-5.7.1-test-1","zsh-5.7.1-test-2","zsh-5.7.1-test-3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20044.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"30"}]},{"events":[{"introduced":"0"},{"last_affected":"31"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"fixed":"13.5"}]},{"events":[{"introduced":"0"},{"fixed":"13.5"}]},{"events":[{"introduced":"0"},{"fixed":"10.15.5"}]},{"events":[{"introduced":"10.13.0"},{"fixed":"10.13.6"}]},{"events":[{"introduced":"10.14.0"},{"fixed":"10.14.6"}]},{"events":[{"introduced":"10.15"},{"fixed":"10.15.5"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