shadow up to 4.13.x Passwd Change src/gpasswd.c change_passwd information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in shadow up to 4.13.x. Affected is the function change_passwd of the file src/gpasswd.c of the component Passwd Change Handler. Executing a manipulation can lead to information disclosure. This vulnerability is tracked as CVE-2023-4641. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in shadow up to 4.13.x. This vulnerability affects the function change_passwd of the file src/gpasswd.c of the component Passwd Change Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The weakness was disclosed 08/30/2023 as 65c88a43a23c2391dcc90c0abda3e839e9c57904. The advisory is available at github.com. This vulnerability was named CVE-2023-4641 since 08/30/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 234692 (Debian dla-4130 : login - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.0-rc1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch is able to eliminate this problem. The bugfix is ready for download at bugzilla.redhat.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (234692). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 234692
Nessus Name: Debian dla-4130 : login - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: shadow 4.14.0-rc1
Patch: bugzilla.redhat.com

Timelineinfo

08/30/2023 🔍
08/30/2023 +0 days 🔍
08/30/2023 +0 days 🔍
04/22/2025 +601 days 🔍

Sourcesinfo

Advisory: 65c88a43a23c2391dcc90c0abda3e839e9c57904
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-4641 (🔍)
GCVE (CVE): GCVE-0-2023-4641
GCVE (VulDB): GCVE-100-238402

Entryinfo

Created: 08/30/2023 21:37
Updated: 04/22/2025 03:37
Changes: 08/30/2023 21:37 (44), 04/22/2025 03:37 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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