Description
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 .
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | VMware Tools | 12.x.x, 11.x.x, 10.3.x | — |
| — | open-vm-tools | 11.0.0 – ≤ 12.3.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | open-vm-tools | 2:12.3.5-1 | — |
| Debian 13 | open-vm-tools | 2:12.3.5-1 | — |
| Debian 12 | open-vm-tools | 2:12.2.0-1+deb12u2 | DSA-5543-1 |
| Debian 11 | open-vm-tools | 2:11.2.5-2+deb11u3 | DSA-5543-1 |
| Debian 10 | open-vm-tools | 2:10.3.10-1+deb10u6 | DLA-3646-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | open-vm-tools | 2:12.1.5-3~ubuntu0.22.04.4 | USN-6463-1 |
| Ubuntu 20.04 LTS | open-vm-tools | 2:11.3.0-2ubuntu0~ubuntu20.04.7 | USN-6463-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | open-vm-tools | 2:11.0.5-4ubuntu0.18.04.3+esm3 | USN-6463-2 |
| Ubuntu Pro 16.04 LTS | open-vm-tools | 2:10.2.0-3~ubuntu0.16.04.1+esm4 | USN-6463-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | open-vm-tools +4 | 12.2.5-3.el9_3.2 | RHSA-2023:7277 |
| RHEL 8 | open-vm-tools +3 | 12.2.5-3.el8_9.1 | RHSA-2023:7265 |
| RHEL 7 | open-vm-tools +3 | 11.0.5-3.el7_9.9 | RHSA-2023:7279 |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.2 EUS | open-vm-tools +4 | 12.1.5-1.el9_2.4 | RHSA-2023:7276 |
| RHEL 9.0 EUS | open-vm-tools +3 | 11.3.5-1.el9_0.5 | RHSA-2023:7267 |
| RHEL 8.8 EUS | open-vm-tools +3 | 12.1.5-2.el8_8.4 | RHSA-2023:7264 |
| RHEL 8.6 EUS | open-vm-tools +2 | 11.3.5-1.el8_6.5 | RHSA-2023:7263 |
| RHEL 8.4 TUS | open-vm-tools +2 | 11.2.0-2.el8_4.4 | RHSA-2023:7262 |
| RHEL 8.4 E4S | open-vm-tools +2 | 11.2.0-2.el8_4.4 | RHSA-2023:7262 |
| RHEL 8.4 AUS | open-vm-tools +2 | 11.2.0-2.el8_4.4 | RHSA-2023:7262 |
| RHEL 8.2 TUS | open-vm-tools +1 | 11.0.0-4.el8_2.4 | RHSA-2023:7261 |
| RHEL 8.2 E4S | open-vm-tools +1 | 11.0.0-4.el8_2.4 | RHSA-2023:7261 |
| RHEL 8.2 AUS | open-vm-tools +1 | 11.0.0-4.el8_2.4 | RHSA-2023:7261 |
| RHEL 8.1 E4S | open-vm-tools +1 | 10.3.10-3.el8_1.5 | RHSA-2023:7260 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | open-vm-tools +4 | 12.2.5-3.el9_3.2.alma.1 | ALSA-2023:7277 |
| AlmaLinux 8 | open-vm-tools +3 | 12.2.5-3.el8_9.1.alma.1 | ALSA-2023:7265 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | open-vm-tools | 12.2.5-3.el8_9.1 | RLSA-2023:7265 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLES 15 SP4 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLES 15 SP3 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLES 15 SP2 | open-vm-tools | 11.3.5-150200.5.16.19.1 | SUSE-SU-2023:4229-1 |
| SLES 15 SP1 | open-vm-tools | 11.3.5-150100.4.37.21.1 | SUSE-SU-2023:4230-1 |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | open-vm-tools | 12.3.0-4.62.1 | SUSE-SU-2023:4228-1 |
| SLES for SAP 15 SP3 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLES for SAP 15 SP2 | open-vm-tools | 11.3.5-150200.5.16.19.1 | SUSE-SU-2023:4229-1 |
| SLES for SAP 15 SP1 | open-vm-tools | 11.3.5-150100.4.37.21.1 | SUSE-SU-2023:4230-1 |
| SLES for SAP 12 SP5 | open-vm-tools | 12.3.0-4.62.1 | SUSE-SU-2023:4228-1 |
| SLE Micro 5.5 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLE Micro 5.4 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLE Micro 5.3 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLE Micro 5.2 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLE Micro 5.1 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLE HPC 15 SP3 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SLE HPC 15 SP2 | open-vm-tools | 11.3.5-150200.5.16.19.1 | SUSE-SU-2023:4229-1 |
| SLE HPC 15 SP1 | open-vm-tools | 11.3.5-150100.4.37.21.1 | SUSE-SU-2023:4230-1 |
| SUSE Manager Server 4.2 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SUSE Manager Proxy 4.2 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| SUSE Enterprise Storage 7.1 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | open-vm-tools | 12.3.0-5.1 | openSUSE-SU-2024:13374-1 |
| openSUSE Leap 15.5 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| openSUSE Leap 15.4 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.4 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
| openSUSE Leap Micro 5.3 | open-vm-tools | 12.3.0-150300.43.1 | SUSE-SU-2023:4227-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | open-vm-tools +5 | 12.3.0-1.amzn2023.0.1 | ALAS2023-2023-423 |
| Amazon Linux 2 | open-vm-tools +5 | 12.3.0-1.amzn2.0.1 | ALAS2-2023-2329 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | open-vm-tools | 11.3.0-3 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | open-vm-tools +4 | 12.2.5-3.0.1.el9_3.2 | ELSA-2023-7277 |
| Oracle Linux 8 | open-vm-tools +3 | 12.2.5-3.0.1.el8_9.1 | ELSA-2023-7265 |
| Oracle Linux 7 | open-vm-tools +3 | 11.0.5-3.0.1.el7_9.9 | ELSA-2023-7279 |
Advisories 30
- ALSA-2023:7277 Important: open-vm-tools security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:7265 Important: open-vm-tools security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:7279 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-6463-2 open-vm-tools vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- RHSA-2023:7277 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · May 1, 2026
- RHSA-2023:7276 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · May 1, 2026
- RHSA-2023:7267 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · May 1, 2026
- RHSA-2023:7264 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · May 1, 2026
- RHSA-2023:7265 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · May 1, 2026
- RHSA-2023:7262 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · May 1, 2026
- RHSA-2023:7263 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · May 1, 2026
- RHSA-2023:7260 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · May 1, 2026
- RHSA-2023:7261 Red Hat Security Advisory: open-vm-tools security update Red Hat Security Advisories (RHSA) · May 1, 2026
- USN-6463-1 open-vm-tools vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-5543-1 open-vm-tools - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3646-1 open-vm-tools - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2023:7265 Important: open-vm-tools security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2023:4229-1 Security update for open-vm-tools SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4230-1 Security update for open-vm-tools SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4227-1 Security update for open-vm-tools SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2023:4228-1 Security update for open-vm-tools SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:13374-1 libvmtools-devel-12.3.0-5.1 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- WID-SEC-2024-1591 Juniper JUNOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2024
- WID-SEC-2024-1092 IBM Security Guardium: Mehrere Schwachstellen BSI CERT-Bund (WID) · May 12, 2024
- WID-SEC-2023-2756 VMware Tools: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 16, 2024
- ELSA-2023-7265 Important: open-vm-tools security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 21, 2023
- ELSA-2023-7277 Important: open-vm-tools security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 16, 2023
- ELSA-2023-7279 Important: open-vm-tools security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 16, 2023
- ALAS2023-2023-423 Important: open-vm-tools security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 3, 2023
- ALAS2-2023-2329 Important: open-vm-tools security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 1, 2023
References
- https://www.vmware.com/security/advisories/VMSA-2023-0024.html
- http://www.openwall.com/lists/oss-security/2023/10/27/1
- https://www.debian.org/security/2023/dsa-5543
- https://lists.debian.org/debian-lts-announce/2023/11/msg00002.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WLTKVTRKQW2GD2274H3UOW6XU4E62GSK/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7G77Z76CQPGUF7VHRA6O3UFCMPPR4O2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MQUOFQL2SNNNMKROQ3TZQY4HEYMNOIBW/