Rapid7 Vulnerability & Exploit Database

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

Free InsightVM Trial No Credit Card Necessary
2024 Attack Intel Report Latest research by Rapid7 Labs
Back to Search

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
02/17/2022

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-shell-zsh-5-8-11-4-24-0-1-75-1

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;