Shadow-utils: possible password leak during passwd(1) change
CVE-2023-4641

4.7MEDIUM

Key Information:

Status
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 8.6 Extended Update Support
Red Hat Enterprise Linux 8.8 Extended Update Support
Vendor
CVE Published:
27 December 2023

What is CVE-2023-4641?

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.

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References

https://access.redhat.com/errata/RHSA-2023:6632
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7112
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0417
vendor-advisoryx_refsource_REDHAT

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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