CVE-2019-20044

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().

Link	Resource
http://zsh.sourceforge.net/releases.html	Release Notes Third Party Advisory
https://github.com/XMB5/zsh-privileged-upgrade	Broken Link
https://www.zsh.org/mla/zsh-announce/141	Release Notes Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/03/msg00004.html	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FP64FFIZI2CKQOEAOI5A72PVQULE7ZZC/	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PN5V7MPHRRP7QNHOEK56S7QGRU53WUN6/	Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202003-55	Third Party Advisory
https://support.apple.com/kb/HT211175	Third Party Advisory
https://support.apple.com/kb/HT211170	Third Party Advisory
https://support.apple.com/kb/HT211171	Third Party Advisory
https://support.apple.com/kb/HT211168	Third Party Advisory
http://seclists.org/fulldisclosure/2020/May/49	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/May/59	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/May/55	Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2020/May/53	Mailing List Third Party Advisory
https://support.apple.com/HT211168	Third Party Advisory
https://support.apple.com/HT211170	Third Party Advisory
https://support.apple.com/HT211171	Third Party Advisory
https://support.apple.com/HT211175	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html	Mailing List Third Party Advisory

Configuration 1

cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-001:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2020-002:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-003:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2018-002:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-003:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-002:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-001:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-007:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-006:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-005:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:security_update_2019-004:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.13.6:-:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

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Published : 2020-02-24 02:15

Updated : 2023-01-09 04:41

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NVD link : CVE-2019-20044

Mitre link : CVE-2019-20044

No products.

CWE-273

Improper Check for Dropped Privileges