Huawei EulerOS: CVE-2023-22809: sudo security update

Huawei EulerOS: CVE-2023-22809: sudo security update

Severity

7

CVSS

(AV:L/AC:L/Au:S/C:C/I:C/A:C)

Published

01/18/2023

Created

05/08/2023

Added

05/08/2023

Modified

01/30/2025

Description

In Sudo before 1.9.12p2, the sudoedit (aka -e) feature mishandles extra arguments passed in the user-provided environment variables (SUDO_EDITOR, VISUAL, and EDITOR), allowing a local attacker to append arbitrary entries to the list of files to process. This can lead to privilege escalation. Affected versions are 1.8.0 through 1.9.12.p1. The problem exists because a user-specified editor may contain a "--" argument that defeats a protection mechanism, e.g., an EDITOR='vim -- /path/to/extra/file' value.

Solution(s)

• huawei-euleros-2_0_sp11-upgrade-sudo

References

• https://attackerkb.com/topics/cve-2023-22809
• CVE - 2023-22809
• EulerOS-SA-2023-1792