vulnerability
Red Hat: CVE-2019-20044: CVE-2019-20044 zsh: insecure dropping of privileges when unsetting PRIVILEGED option (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Feb 24, 2020 | Mar 18, 2020 | Aug 11, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Feb 24, 2020
Added
Mar 18, 2020
Modified
Aug 11, 2025
Description
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().
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-zshredhat-upgrade-zsh-debuginforedhat-upgrade-zsh-debugsourceredhat-upgrade-zsh-html
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