Vulnerability-Lookup

SUSE-SU-2023:3795-1

Vulnerability from csaf_suse - Published: 2023-09-26 16:06 - Updated: 2026-09-20 15:22

Summary

Security update for open-vm-tools

Severity

Important

Notes

Title of the patch: Security update for open-vm-tools

Description of the patch: This update for open-vm-tools fixes the following issues: Update to 12.3.0 (build 22234872) (bsc#1214850) - There are no new features in the open-vm-tools 12.3.0 release. This is primarily a maintenance release that addresses a few critical problems, including: - This release integrates CVE-2023-20900 without the need for a patch. For more information on this vulnerability and its impact on VMware products, see https://www.vmware.com/security/advisories/VMSA-2023-0019.html. - A tools.conf configuration setting is available to temporaily direct Linux quiesced snaphots to restore pre open-vm-tools 12.2.0 behavior of ignoring file systems already frozen. - Building of the VMware Guest Authentication Service (VGAuth) using 'xml-security-c' and 'xerces-c' is being deprecated. - A number of Coverity reported issues have been addressed. - A number of GitHub issues and pull requests have been handled. Please see the Resolves Issues section of the Release Notes. - For issues resolved in this release, see the Resolved Issues section of the Release Notes. - For complete details, see: https://github.com/vmware/open-vm-tools/releases/tag/stable-12.3.0 - Release Notes are available at https://github.com/vmware/open-vm-tools/blob/stable-12.3.0/ReleaseNotes.md - The granular changes that have gone into the 12.3.0 release are in the ChangeLog at https://github.com/vmware/open-vm-tools/blob/stable-12.3.0/open-vm-tools/ChangeLog - Fix (bsc#1205927) - hv_vmbus module is loaded unnecessarily in VMware guests - jsc#PED-1344 - reinable building containerinfo plugin for SLES 15 SP4.

Patchnames: SUSE-2023-3795,SUSE-SLE-SERVER-12-SP5-2023-3795

CVE-2023-20900

7.5 (High)


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

Affected products

Recommended 15 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP5:libvmtools0-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP5:open-vm-tools-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP5:open-vm-tools-desktop-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP5:open-vm-tools-salt-minion-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise High Performance Computing 12 SP5:open-vm-tools-sdmp-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5:libvmtools0-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5:open-vm-tools-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5:open-vm-tools-desktop-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5:open-vm-tools-salt-minion-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 12 SP5:open-vm-tools-sdmp-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:libvmtools0-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:open-vm-tools-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:open-vm-tools-desktop-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:open-vm-tools-salt-minion-0:12.3.0-4.59.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 12 SP5:open-vm-tools-sdmp-0:12.3.0-4.59.1.x86_64	—	Vendor Fix

Threats

Impact important

References

13 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-security-upd…	self
https://bugzilla.suse.com/1205927	self
https://bugzilla.suse.com/1214850	self
https://www.suse.com/security/cve/CVE-2023-20900/	self
https://www.suse.com/security/cve/CVE-2023-20900	external
https://bugzilla.suse.com/1214566	external
https://bugzilla.suse.com/1216432	external
https://bugzilla.suse.com/1216433	external
https://bugzilla.suse.com/1225628	external
https://bugzilla.suse.com/1228309	external

JSON

To clipboard

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      "title": "CVE-2023-20900"
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}

CVE-2023-20900 (GCVE-0-2023-20900)

Vulnerability from cvelistv5 – Published: 2023-08-31 09:45 – Updated: 2026-10-08 21:13

Summary

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 · CISA-ADP (v2.0.3)

Decision recorded 2026-10-08 21:06 UTC

CWE

SAML Token Signature Bypass vulnerability

Assigner

vmware CNA under the mitre root

CNA scorecard C 64/100 over 254 records in the last 180 days details

References

9 references

URL	Tags
https://www.vmware.com/security/advisories/VMSA-2…
http://www.openwall.com/lists/oss-security/2023/08/31/1
https://www.debian.org/security/2023/dsa-5493
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.fedoraproject.org/archives/list/pac…
https://lists.debian.org/debian-lts-announce/2023…
https://security.netapp.com/advisory/ntap-2023101…
http://www.openwall.com/lists/oss-security/2023/10/27/1

Impacted products

3 products

Vendor	Product	Version
n/a	VMware Tools	Affected: 12.x.x Affected: 11.x.x Affected: 10.3.x
n/a	VMware Tools	Affected: 10.3.x
n/a	VMware Tools (open-vm-tools)	Affected: 12.x.x Affected: 11.x.x Affected: 10.3.x

Show details on NVD website

JSON

To clipboard

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              "value": "A malicious actor that has been granted \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html\"\u003eGuest Operation Privileges\u003c/a\u003e\u0026nbsp;in a target virtual machine may be able to elevate their privileges if that target virtual machine has been assigned a more privileged \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://vdc-download.vmware.com/vmwb-repository/dcr-public/d1902b0e-d479-46bf-8ac9-cee0e31e8ec0/07ce8dbd-db48-4261-9b8f-c6d3ad8ba472/vim.vm.guest.AliasManager.html\"\u003eGuest Alias\u003c/a\u003e."
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          ],
          "value": "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 \u00a0in 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 ."
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      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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      "providerMetadata": {
        "dateUpdated": "2023-11-17T04:34:34.974Z",
        "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
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          "url": "https://www.vmware.com/security/advisories/VMSA-2023-0019.html"
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        {
          "url": "http://www.openwall.com/lists/oss-security/2023/08/31/1"
        },
        {
          "url": "https://www.debian.org/security/2023/dsa-5493"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/"
        },
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          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00000.html"
        },
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          "url": "https://security.netapp.com/advisory/ntap-20231013-0002/"
        },
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          "url": "http://www.openwall.com/lists/oss-security/2023/10/27/1"
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    "assignerShortName": "vmware",
    "cveId": "CVE-2023-20900",
    "datePublished": "2023-08-31T09:45:43.130Z",
    "dateReserved": "2022-11-01T15:41:50.396Z",
    "dateUpdated": "2026-10-08T21:13:53.121Z",
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}

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.

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

SUSE-SU-2023:3795-1

CVE-2023-20900 (GCVE-0-2023-20900)

Tags

Sightings

Nomenclature

Related by attack behaviour