Vulnerability Report

CVE-2022-43995

Title: Sudo Project Sudo Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2022-43995.

CWE Category CWE-125
Published Date Nov 02, 2022
Modified Date May 05, 2025
Exploit Status Not Found
Score 7.1 CVSS v3.1
Exploit Probability (EPSS)
0.27%

Vulnerability Summary

CVE-2022-43995: Sudo 1.8.0 through 1.9.12, with the crypt() password backend, contains a plugins/sudoers/auth/passwd.c array-out-of-bounds error that can result in a heap-based buffer over-read. This can be triggered by arbitrary local users with access to Sudo by entering a password of seven characters or fewer. The impact could vary depending on the system libraries, compiler, and processor architecture.

Impacted Vendors

T
todd_miller 1
S
sudo_project 1
G
gratisoft 1

Reference Links

https://bugzilla.redhat.com/show_bug.cgi?id=2139911 https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050 https://news.ycombinator.com/item?id=33465707 https://security.gentoo.org/glsa/202211-08 https://www.sudo.ws/security/advisories/ https://bugzilla.redhat.com/show_bug.cgi?id=2139911 https://github.com/sudo-project/sudo/commit/bd209b9f16fcd1270c13db27ae3329c677d48050 https://news.ycombinator.com/item?id=33465707 https://security.gentoo.org/glsa/202211-08 https://www.sudo.ws/security/advisories/
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.1
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
7.1
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-43995 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected Stack

No specific products linked.