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Oracle Solaris 11: CVE-2019-20044: Vulnerability in Zsh

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Oracle Solaris 11: CVE-2019-20044: Vulnerability in Zsh

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
02/24/2020
Created
01/20/2021
Added
01/19/2021
Modified
11/17/2021

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().

Solution(s)

  • oracle-solaris-11-4-upgrade-value-shell-zsh-5-8-11-4-24-0-1-75-1

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