vulnerability
Ubuntu: USN-5325-1 (CVE-2019-20044): Zsh vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Feb 24, 2020 | Mar 15, 2022 | Apr 16, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Feb 24, 2020
Added
Mar 15, 2022
Modified
Apr 16, 2026
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
ubuntu-pro-upgrade-zshubuntu-pro-upgrade-zsh-staticubuntu-upgrade-zshubuntu-upgrade-zsh-static
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