CVE-2023-34058 (GCVE-0-2023-34058)

Vulnerability from cvelistv5 – Published: 2023-10-27 04:53 – Updated: 2025-03-06 15:40
VLAI
Summary
VMware Tools contains a SAML token signature bypass vulnerability. A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html  in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged Guest Alias https://vdc-download.vmware.com/vmwb-repository/dcr-public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd-db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html .
Severity
7.1 (High)
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • SAML Token Signature Bypass vulnerability
  • CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
Vendor Product Version
n/a VMware Tools Affected: 12.x.x
Affected: 11.x.x
Affected: 10.3.x
n/a open-vm-tools Affected: 11.0.0 , ≤ 12.3.0 (custom)
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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T13:47:04+00:00",
      "cve": "CVE-2023-34058",
      "id": "CVE-2023-34058",
      "initial_release_date": "2023-10-26T00:00:00+00:00",
      "product_status:fixed": "182",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "open-vm-tools: SAML token signature bypass",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-34058.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-07-23T02:20:32Z",
      "cve": "CVE-2023-34058",
      "id": "CVE-2023-34058",
      "initial_release_date": "2025-02-14T06:24:28Z",
      "product_status:recommended": "336",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-34058",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-34058.json",
      "version": "20"
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    "vulnrichment": {
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      "cveMetadata": "{\"cveId\": \"CVE-2023-34058\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-06T15:40:20.221Z\", \"dateReserved\": \"2023-05-25T17:21:56.204Z\", \"assignerOrgId\": \"dcf2e128-44bd-42ed-91e8-88f912c1401d\", \"datePublished\": \"2023-10-27T04:53:09.935Z\", \"assignerShortName\": \"vmware\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.