Vulnerability-Lookup

CVE-2023-34967 (GCVE-0-2023-34967)

Vulnerability from cvelistv5 – Published: 2023-07-20 14:57 – Updated: 2025-11-20 17:29

Title

Samba: type confusion in mdssvc rpc service for spotlight

Summary

A Type Confusion vulnerability was found in Samba's mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys are character strings, and the values can be any of the supported types in the mdssvc protocol. Due to a lack of type checking in callers of the dalloc_value_for_key() function, which returns the object associated with a key, a caller may trigger a crash in talloc_get_size() when talloc detects that the passed-in pointer is not a valid talloc pointer. With an RPC worker process shared among multiple client connections, a malicious client or attacker can trigger a process crash in a shared RPC mdssvc worker process, affecting all other clients this worker serves.

Severity

5.3 (Medium)


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

CWE

CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

Assigner

redhat redhat root

References

11 references

URL	Tags
https://access.redhat.com/errata/RHSA-2023:6667	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:7139	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0423	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2024:0580	vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-34967	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2222794	issue-trackingx_refsource_REDHAT
https://www.samba.org/samba/security/CVE-2023-349…
https://lists.fedoraproject.org/archives/list/pac…	x_transferred
https://lists.fedoraproject.org/archives/list/pac…	x_transferred
https://security.netapp.com/advisory/ntap-2023073…	x_transferred
https://www.debian.org/security/2023/dsa-5477	x_transferred

Impacted products

8 products

Vendor	Product	Version
Red Hat	Red Hat Enterprise Linux 8	Unaffected: 0:4.18.6-1.el8 , < * (rpm) cpe:/a:redhat:enterprise_linux:8::crb cpe:/a:redhat:enterprise_linux:8::appstream cpe:/o:redhat:enterprise_linux:8::baseos
Red Hat	Red Hat Enterprise Linux 8.6 Extended Update Support	Unaffected: 0:4.15.5-15.el8_6 , < * (rpm) cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/o:redhat:rhev_hypervisor:4.4::el8 cpe:/a:redhat:rhel_eus:8.6::crb cpe:/a:redhat:rhel_eus:8.6::appstream
Red Hat	Red Hat Enterprise Linux 8.8 Extended Update Support	Unaffected: 0:4.17.5-5.el8_8 , < * (rpm) cpe:/a:redhat:rhel_eus:8.8::appstream cpe:/o:redhat:rhel_eus:8.8::baseos cpe:/a:redhat:rhel_eus:8.8::crb
Red Hat	Red Hat Enterprise Linux 9	Unaffected: 0:4.18.6-100.el9 , < * (rpm) cpe:/a:redhat:enterprise_linux:9::resilientstorage cpe:/a:redhat:enterprise_linux:9::appstream cpe:/o:redhat:enterprise_linux:9::baseos cpe:/a:redhat:enterprise_linux:9::crb
Red Hat	Red Hat Virtualization 4 for Red Hat Enterprise Linux 8	Unaffected: 0:4.15.5-15.el8_6 , < * (rpm) cpe:/o:redhat:rhel_eus:8.6::baseos cpe:/o:redhat:rhev_hypervisor:4.4::el8 cpe:/a:redhat:rhel_eus:8.6::crb cpe:/a:redhat:rhel_eus:8.6::appstream
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
Red Hat	Red Hat Storage 3	cpe:/a:redhat:storage:3

Date Public

2023-07-19 00:00

Show details on NVD website

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      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"secalert@redhat.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-843\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-843\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-34967\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2023-07-20T15:15:11.410\",\"lastModified\":\"2026-06-17T06:04:10.683\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A Type Confusion vulnerability was found in Samba\u0027s mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys are character strings, and the values can be any of the supported types in the mdssvc protocol. Due to a lack of type checking in callers of the dalloc_value_for_key() function, which returns the object associated with a key, a caller may trigger a crash in talloc_get_size() when talloc detects that the passed-in pointer is not a valid talloc pointer. With an RPC worker process shared among multiple client connections, a malicious client or attacker can trigger a process crash in a shared RPC mdssvc worker process, affecting all other clients this worker serves.\"}],\"affected\":[{\"source\":\"secalert@redhat.com\",\"affectedData\":[{\"vendor\":\"Red Hat\",\"product\":\"Red Hat Enterprise Linux 8\",\"defaultStatus\":\"affected\",\"collectionURL\":\"https://access.redhat.com/downloads/content/package-browser/\",\"packageName\":\"samba\",\"cpes\":[\"cpe:/a:redhat:enterprise_linux:8::crb\",\"cpe:/a:redhat:enterprise_linux:8::appstream\",\"cpe:/o:redhat:enterprise_linux:8::baseos\"],\"versions\":[{\"version\":\"0:4.18.6-1.el8\",\"lessThan\":\"*\",\"versionType\":\"rpm\",\"status\":\"unaffected\"}]},{\"vendor\":\"Red Hat\",\"product\":\"Red Hat Enterprise Linux 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Tracking\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BPCSGND7LO467AJGR5DYBGZLTCGTOBCC/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OT74M42E6C36W7PQVY3OS4ZM7DVYB64Z/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20230731-0010/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.debian.org/security/2023/dsa-5477\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.samba.org/samba/security/CVE-2023-34967.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:55:08+00:00",
      "cve": "CVE-2023-34967",
      "id": "CVE-2023-34967",
      "initial_release_date": "2023-07-19T00:00:00+00:00",
      "product_status:fixed": "3400",
      "product_status:known_affected": "94",
      "product_status:known_not_affected": "70",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "samba: type confusion in mdssvc RPC service for spotlight",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-34967.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T01:11:01Z",
      "cve": "CVE-2023-34967",
      "id": "CVE-2023-34967",
      "initial_release_date": "2023-07-19T23:22:38Z",
      "product_status:known_affected": "434",
      "product_status:known_not_affected": "1314",
      "product_status:recommended": "1259",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-34967",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-34967.json",
      "version": "52"
    }
  }
}

SUSE-SU-2023:3066-1

Vulnerability from csaf_suse - Published: 2023-07-31 13:09 - Updated: 2023-07-31 13:09

Summary

Security update for samba

Severity

Important

Scope

4 vulnerabilities in this advisory, including CVE-2023-34967.

CVE-2023-34967

5.3 (Medium)


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

Recommended: 50 products

Open the full advisory

ubuntu-cve-2023-34967

Vulnerability from osv_ubuntu

Published

2023-07-19 00:00

Modified

2026-04-22 07:45

Summary

Details

Severity

5.3 (Medium)


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

5.3 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2023-34967	REPORT
	https://www.samba.org/samba/security/CVE-2023-349…	REPORT
	https://ubuntu.com/security/notices/USN-6238-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2023-34967	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ctdb",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "python3-samba",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "registry-tools",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "samba",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "samba-common",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "samba-libs",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "smbclient",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          },
          {
            "binary_name": "winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "samba",
        "purl": "pkg:deb/ubuntu/samba@2:4.15.13+dfsg-0ubuntu0.20.04.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:4.15.13+dfsg-0ubuntu0.20.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:4.10.7+dfsg-0ubuntu2",
        "2:4.10.7+dfsg-0ubuntu3",
        "2:4.11.1+dfsg-3ubuntu1",
        "2:4.11.1+dfsg-3ubuntu2",
        "2:4.11.1+dfsg-3ubuntu4",
        "2:4.11.5+dfsg-1ubuntu1",
        "2:4.11.5+dfsg-1ubuntu2",
        "2:4.11.6+dfsg-0ubuntu1",
        "2:4.11.6+dfsg-0ubuntu1.1",
        "2:4.11.6+dfsg-0ubuntu1.2",
        "2:4.11.6+dfsg-0ubuntu1.3",
        "2:4.11.6+dfsg-0ubuntu1.4",
        "2:4.11.6+dfsg-0ubuntu1.5",
        "2:4.11.6+dfsg-0ubuntu1.6",
        "2:4.11.6+dfsg-0ubuntu1.8",
        "2:4.11.6+dfsg-0ubuntu1.9",
        "2:4.11.6+dfsg-0ubuntu1.10",
        "2:4.13.14+dfsg-0ubuntu0.20.04.1",
        "2:4.13.14+dfsg-0ubuntu0.20.04.2",
        "2:4.13.14+dfsg-0ubuntu0.20.04.3",
        "2:4.13.14+dfsg-0ubuntu0.20.04.4",
        "2:4.13.17~dfsg-0ubuntu0.21.04.1",
        "2:4.13.17~dfsg-0ubuntu0.21.04.2",
        "2:4.13.17~dfsg-0ubuntu1.20.04.1",
        "2:4.13.17~dfsg-0ubuntu1.20.04.2",
        "2:4.13.17~dfsg-0ubuntu1.20.04.4",
        "2:4.13.17~dfsg-0ubuntu1.20.04.5",
        "2:4.15.13+dfsg-0ubuntu0.20.04.1",
        "2:4.15.13+dfsg-0ubuntu0.20.04.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "ctdb",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "libnss-winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "libpam-winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "libsmbclient",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "libwbclient0",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "python3-samba",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "registry-tools",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "samba",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "samba-common",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "samba-common-bin",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "samba-dsdb-modules",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "samba-libs",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "samba-testsuite",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "samba-vfs-modules",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "smbclient",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          },
          {
            "binary_name": "winbind",
            "binary_version": "2:4.15.13+dfsg-0ubuntu1.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "samba",
        "purl": "pkg:deb/ubuntu/samba@2:4.15.13+dfsg-0ubuntu1.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:4.15.13+dfsg-0ubuntu1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:4.13.5+dfsg-2ubuntu2",
        "2:4.13.5+dfsg-2ubuntu3",
        "2:4.13.14+dfsg-0ubuntu1",
        "2:4.13.14+dfsg-0ubuntu2",
        "2:4.15.5~dfsg-0ubuntu1",
        "2:4.15.5~dfsg-0ubuntu2",
        "2:4.15.5~dfsg-0ubuntu4",
        "2:4.15.5~dfsg-0ubuntu5",
        "2:4.15.5~dfsg-0ubuntu5.1",
        "2:4.15.9+dfsg-0ubuntu0.2",
        "2:4.15.9+dfsg-0ubuntu0.3",
        "2:4.15.13+dfsg-0ubuntu1",
        "2:4.15.13+dfsg-0ubuntu1.1"
      ]
    }
  ],
  "aliases": [],
  "details": "A Type Confusion vulnerability was found in Samba\u0027s mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary where the keys are character strings, and the values can be any of the supported types in the mdssvc protocol. Due to a lack of type checking in callers of the dalloc_value_for_key() function, which returns the object associated with a key, a caller may trigger a crash in talloc_get_size() when talloc detects that the passed-in pointer is not a valid talloc pointer. With an RPC worker process shared among multiple client connections, a malicious client or attacker can trigger a process crash in a shared RPC mdssvc worker process, affecting all other clients this worker serves.",
  "id": "UBUNTU-CVE-2023-34967",
  "modified": "2026-04-22T07:45:22Z",
  "published": "2023-07-19T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-34967"
    },
    {
      "type": "REPORT",
      "url": "https://www.samba.org/samba/security/CVE-2023-34967.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6238-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-34967"
    }
  ],
  "related": [
    "USN-6238-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2023-34967"
  ]
}

WID-SEC-W-2023-1842

Vulnerability from csaf_certbund - Published: 2023-07-19 22:00 - Updated: 2025-06-29 22:00

Summary

Samba: Mehrere Schwachstellen

Severity

Mittel

Scope

5 vulnerabilities in this advisory, including CVE-2023-34967.

CVE-2023-34967

Known affected: 21 products

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-34967 (GCVE-0-2023-34967)

SUSE-SU-2023:3066-1

ubuntu-cve-2023-34967

Vulnerability from osv_ubuntu

WID-SEC-W-2023-1842

Tags

Sightings

Nomenclature

Related by attack behaviour