Vulnerability-Lookup

CVE-2023-4641 (GCVE-0-2023-4641)

Vulnerability from cvelistv5 – Published: 2023-12-27 15:43 – Updated: 2025-11-03 19:28

Title

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

Summary

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.

Severity

4.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-01-02 18:19 UTC

CWE

CWE-303 - Incorrect Implementation of Authentication Algorithm

Assigner

redhat redhat root

References

7 references

URL	Tags
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
https://access.redhat.com/errata/RHSA-2024:2577	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-4641	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2215945	issue-trackingx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

7 products

Vendor	Product	Version
		Unaffected: 4.14.0-rc1 , < * (semver)
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 2:4.6-19.el8 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::crb cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support	Unaffected: 2:4.6-17.el8_6 , < * (rpm) cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/a:redhat:rhel_eus:8.6::crb
Red Hat	Red Hat Enterprise Linux 8.8 Extended Update Support	Unaffected: 2:4.6-17.el8_8.2 , < * (rpm) cpe:/o:redhat:rhel_eus:8.8::baseos cpe:/a:redhat:rhel_eus:8.8::crb
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 2:4.9-8.el9 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::crb cpe:/o:redhat:enterprise_linux:9::baseos
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7

Date Public

2023-06-17 00:00

Show details on NVD website

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}

FKIE_CVE-2023-4641

Vulnerability from fkie_nvd - Published: 2023-12-27 16:15 - Updated: 2026-06-17 06:38

Severity

4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Summary

References

URL	Tags
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2023:6632	Third Party Advisory
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2023:7112	Third Party Advisory
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:0417
secalert@redhat.com	https://access.redhat.com/errata/RHSA-2024:2577
secalert@redhat.com	https://access.redhat.com/security/cve/CVE-2023-4641	Third Party Advisory
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=2215945	Issue Tracking
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2023:6632	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2023:7112	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2024:0417
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/errata/RHSA-2024:2577
af854a3a-2127-422b-91ae-364da2661108	https://access.redhat.com/security/cve/CVE-2023-4641	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugzilla.redhat.com/show_bug.cgi?id=2215945	Issue Tracking
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/04/msg00026.html

Impacted products

Vendor	Product	Version
shadow-maint	shadow-utils	*
redhat	codeready_linux_builder	8.0
redhat	codeready_linux_builder	9.0
redhat	codeready_linux_builder_for_arm64	8.0_aarch64
redhat	codeready_linux_builder_for_arm64	9.0_aarch64
redhat	codeready_linux_builder_for_ibm_z_systems	8.0_s390x
redhat	codeready_linux_builder_for_ibm_z_systems	9.0_s390x
redhat	codeready_linux_builder_for_power_little_endian	8.0_ppc64le
redhat	codeready_linux_builder_for_power_little_endian	9.0_ppc64le
redhat	enterprise_linux	8.0
redhat	enterprise_linux	9.0
redhat	enterprise_linux_for_arm_64	8.0
redhat	enterprise_linux_for_arm_64	9.0
redhat	enterprise_linux_for_ibm_z_systems	8.0_s390x
redhat	enterprise_linux_for_ibm_z_systems	9.0_s390x
redhat	enterprise_linux_for_power_little_endian	8.0_ppc64le
redhat	enterprise_linux_for_power_little_endian	9.0_ppc64le

JSON

To clipboard

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GHSA-6GGV-MMG2-JF4R

Vulnerability from github – Published: 2023-12-27 18:30 – Updated: 2025-11-03 21:30

Details

Severity

4.7 (Medium)


                  
                    CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Show details on source website

JSON

To clipboard

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  "id": "GHSA-6ggv-mmg2-jf4r",
  "modified": "2025-11-03T21:30:58Z",
  "published": "2023-12-27T18:30:20Z",
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GSD-2023-4641

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2023-4641

Aliases

CVE-2023-4641

JSON

To clipboard

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                    "criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_for_arm_64:8.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "3F797F2E-00E6-4D03-A94E-524227529A0A",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_for_arm_64:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "6B528C5D-0F72-4685-8516-257597E94AE4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0_s390x:*:*:*:*:*:*:*",
                    "matchCriteriaId": "32AF225E-94C0-4D07-900C-DD868C05F554",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:9.0_s390x:*:*:*:*:*:*:*",
                    "matchCriteriaId": "FB056B47-1F45-4CE4-81F6-872F66C24C29",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:*",
                    "matchCriteriaId": "23D471AC-7DCA-4425-AD91-E5D928753A8C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0_ppc64le:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E07C1C58-0E5F-4B56-9B8D-5DE67DB00F79",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "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."
          },
          {
            "lang": "es",
            "value": "Se encontr\u00f3 una falla en Shadow-Utils. Al solicitar una nueva contrase\u00f1a, Shadow-Utils la solicita dos veces. Si la contrase\u00f1a falla en el segundo intento, Shadow-Utils no logra limpiar el b\u00fafer utilizado para almacenar la primera entrada. Esto puede permitir que un atacante con suficiente acceso recupere la contrase\u00f1a de la memoria."
          }
        ],
        "id": "CVE-2023-4641",
        "lastModified": "2024-01-04T17:06:55.393",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "NONE",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "NONE",
                "baseScore": 4.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 1.0,
              "impactScore": 3.6,
              "source": "secalert@redhat.com",
              "type": "Secondary"
            }
          ]
        },
        "published": "2023-12-27T16:15:13.363",
        "references": [
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2023:6632"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2023:7112"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://access.redhat.com/security/cve/CVE-2023-4641"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Issue Tracking"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2215945"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-287"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-303"
              }
            ],
            "source": "secalert@redhat.com",
            "type": "Secondary"
          }
        ]
      }
    }
  }
}

MSRC_CVE-2023-4641

Vulnerability from csaf_microsoft - Published: 2023-12-01 08:00 - Updated: 2025-05-05 00:00

Summary

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

Scope

1 vulnerability in this advisory, including CVE-2023-4641.

CVE-2023-4641

4.7 (Medium)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Fixed: 1 product Known affected: 1 product

https://learn.microsoft.com/en-us/azure/azure-linux/tutoria…

Open the full advisory

NCSC-2025-0382

Vulnerability from csaf_ncscnl - Published: 2025-12-09 13:15 - Updated: 2025-12-09 13:15

Summary

Kwetsbaarheden verholpen in Siemens producten

Scope

124 vulnerabilities in this advisory, including CVE-2023-4641.

CVE-2023-4641

Recent updates address multiple vulnerabilities across various platforms, including Oracle Communications, Red Hat OpenShift, and shadow-utils, affecting user account management and potentially leading to unauthorized access and data leaks.

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Known affected: 32 products

Open the full advisory

OPENSUSE-SU-2026:10081-1

Vulnerability from csaf_opensuse - Published: 2026-01-22 00:00 - Updated: 2026-01-22 00:00

Summary

libsubid-devel-4.19.2-2.1 on GA media

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2023-4641.

CVE-2023-4641

3.3 (Low)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Recommended: 20 products

Open the full advisory

RHSA-2023:6632

Vulnerability from csaf_redhat - Published: 2023-11-07 08:54 - Updated: 2026-06-25 11:03

Summary

Red Hat Security Advisory: shadow-utils security and bug fix update

Severity

Low

Scope

1 vulnerability in this advisory, including CVE-2023-4641.

CVE-2023-4641

4.7 (Medium)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Fixed: 45 products

https://access.redhat.com/errata/RHSA-2023:6632

Open the full advisory

RHSA-2023:7112

Vulnerability from csaf_redhat - Published: 2023-11-14 16:03 - Updated: 2026-06-25 11:03

Summary

Red Hat Security Advisory: shadow-utils security and bug fix update

Severity

Low

Scope

1 vulnerability in this advisory, including CVE-2023-4641.

CVE-2023-4641

4.7 (Medium)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Fixed: 45 products

https://access.redhat.com/errata/RHSA-2023:7112

Open the full advisory

RHSA-2024:0417

Vulnerability from csaf_redhat - Published: 2024-01-25 09:00 - Updated: 2026-06-25 11:04

Summary

Red Hat Security Advisory: shadow-utils security update

Severity

Low

Scope

1 vulnerability in this advisory, including CVE-2023-4641.

CVE-2023-4641

4.7 (Medium)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Fixed: 45 products

https://access.redhat.com/errata/RHSA-2024:0417

Open the full advisory

RHSA-2024:2577

Vulnerability from csaf_redhat - Published: 2024-04-30 15:05 - Updated: 2026-06-25 11:05

Summary

Red Hat Security Advisory: shadow-utils security update

Severity

Low

Scope

1 vulnerability in this advisory, including CVE-2023-4641.

CVE-2023-4641

4.7 (Medium)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Fixed: 45 products

https://access.redhat.com/errata/RHSA-2024:2577

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2023-4641 (GCVE-0-2023-4641)

Tags

Sightings

Nomenclature