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Improper Privilege Management Affecting sudo package, versions <1.8.27-1+deb10u5

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 0.05% (19th percentile)
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NVD
7.8 high
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SUSE
7.8 high
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Red Hat
7.8 high

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  • Snyk ID SNYK-DEBIAN10-SUDO-3234744
  • published 19 Jan 2023
  • disclosed 18 Jan 2023
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Introduced: 18 Jan 2023

CVE-2023-22809 Open this link in a new tab
CWE-269 Open this link in a new tab

How to fix?

Upgrade Debian:10 sudo to version 1.8.27-1+deb10u5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream sudo package and not the sudo package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

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.

References