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Status published
Medium
CVE-2023-4641
Shadow-utils: possible password leak during passwd(1) change
Vulnerability Description
A flaw was found in shadow-utils. When asking for a new password, shadow-utils asks the password twice. If the password fails on the second attempt, shadow-utils fails in cleaning the buffer used to store the first entry. This may allow an attacker with enough access to retrieve the password from the memory.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Unknown
View all reports →Affected Software
Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.6 Extended Update Support, Red Hat Enterprise Linux 8.8 Extended Update Support, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
Vulnerable Versions:
4.14.0-rc1, 2:4.6-19.el8, 2:4.6-17.el8_6, 2:4.6-17.el8_8.2, 2:4.9-8.el9
Timeline
Official Publish:
December 27th, 2023
Last Modified:
November 3rd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.