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Improper Authentication Affecting shadow package, versions *

low

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.05% (15th percentile)
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NVD
5.5 medium
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SUSE
3.3 low
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Red Hat
4.7 medium

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  • Snyk ID SNYK-DEBIAN11-SHADOW-5879152
  • published 1 Sep 2023
  • disclosed 27 Dec 2023
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Introduced: 1 Sep 2023

CVE-2023-4641 Open this link in a new tab
CWE-287 Open this link in a new tab

How to fix?

There is no fixed version for Debian:11 shadow.

NVD Description

Note: Versions mentioned in the description apply only to the upstream shadow package and not the shadow package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.