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Ubuntu: (Multiple Advisories) (CVE-2023-22809): Sudo vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2023-22809): Sudo vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/18/2023
Created
01/25/2023
Added
01/19/2023
Modified
11/15/2024

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)

  • ubuntu-pro-upgrade-sudo
  • ubuntu-pro-upgrade-sudo-ldap

References

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