Echo: shadow: security update to 1:4.13+dfsg1-1+deb12u1

medium Tenable Cloud Security Plugin ID 460486

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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.
(CVE-2023-4641)

Solution

Update the shadow library and its related packages to version 1:4.13+dfsg1-1+deb12u1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2023-4641

Plugin Details

Severity: Medium

ID: 460486

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N

CVSS Score Source: CVE-2023-4641

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/29/2026

Vulnerability Publication Date: 9/13/2023

Reference Information

CVE: CVE-2023-4641