Oracle Linux: CVE-2019-14287: ELSA-2019-3694: sudo security update (IMPORTANT) (Multiple Advisories)
Description
In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a crafted user ID. For example, this allows bypass of !root configuration, and USER= logging, for a "sudo -u \#$((0xffffffff))" command. A flaw was found in the way sudo implemented running commands with arbitrary user ID. If a sudoers entry is written to allow the attacker to run a command as any user except root, this flaw can be used by the attacker to bypass that restriction.
Solution(s)
- oracle-linux-upgrade-sudo
- oracle-linux-upgrade-sudo-devel
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