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ubuntucveUbuntu.comUB:CVE-2023-22809
HistoryJan 18, 2023 - 12:00 a.m.

CVE-2023-22809

2023-01-1800:00:00
ubuntu.com
ubuntu.com
71

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

18.3%

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchsudo< 1.8.21p2-3ubuntu1.5UNKNOWN
ubuntu20.04noarchsudo< 1.8.31-1ubuntu1.4UNKNOWN
ubuntu22.04noarchsudo< 1.9.9-1ubuntu2.2UNKNOWN
ubuntu22.10noarchsudo< 1.9.11p3-1ubuntu1.1UNKNOWN
ubuntu23.04noarchsudo< 1.9.11p3-1ubuntu3UNKNOWN
ubuntu14.04noarchsudo< 1.8.9p5-1ubuntu1.5+esm7) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchsudo< 1.8.16-0ubuntu1.10+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.3 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

18.3%