high
7.5
CWE
347
Advisory Published
CVE Published
Updated

CVE-2023-34058: - SAML Token Signature Bypass in open-vm-tools

First published: Wed Oct 25 2023(Updated: )

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 .

Credit: security@vmware.com security@vmware.com

Affected SoftwareAffected VersionHow to fix
Vmware Open Vm Tools>=11.0.0<=12.3.0
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Debian Debian Linux=12.0
All of
VMware Tools>=10.3.0<12.3.5
Microsoft Windows
Fedoraproject Fedora=37
Fedoraproject Fedora=38
Fedoraproject Fedora=39
redhat/open-vm-tools<11.0.0
11.0.0
ubuntu/open-vm-tools<2:11.0.5-4ubuntu0.18.04.3+
2:11.0.5-4ubuntu0.18.04.3+
ubuntu/open-vm-tools<2:11.3.0-2ubuntu0~ubuntu20.04.7
2:11.3.0-2ubuntu0~ubuntu20.04.7
ubuntu/open-vm-tools<2:12.1.5-3~ubuntu0.22.04.4
2:12.1.5-3~ubuntu0.22.04.4
ubuntu/open-vm-tools<2:12.1.5-3ubuntu0.23.04.3
2:12.1.5-3ubuntu0.23.04.3
ubuntu/open-vm-tools<2:12.3.0-1ubuntu0.1
2:12.3.0-1ubuntu0.1
ubuntu/open-vm-tools<2:10.2.0-3~ubuntu0.16.04.1+
2:10.2.0-3~ubuntu0.16.04.1+
IBM Security Guardium<=11.3
IBM Security Guardium<=11.4
IBM Security Guardium<=11.5
IBM Security Guardium<=12.0
debian/open-vm-tools
2:11.2.5-2+deb11u3
2:12.2.0-1+deb12u2
2:12.4.5-1

Remedy

http://www.openwall.com/lists/oss-security/2023/10/27/1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-34058?

    CVE-2023-34058 is a vulnerability in open-vm-tools that allows a malicious actor with Guest Operation Privileges to elevate their privileges in a target virtual machine.

  • How severe is CVE-2023-34058?

    CVE-2023-34058 has a severity rating of 7.5 (high).

  • Which software versions are affected by CVE-2023-34058?

    The affected software versions of open-vm-tools are 2:11.3.0-2ubuntu0~ubuntu20.04.7, 2:12.1.5-3~ubuntu0.22.04.4, 2:12.1.5-3ubuntu0.23.04.3, 2:12.3.0-1ubuntu0.1, 2:11.2.5-2+deb11u3, 2:12.2.0-1+deb12u2, 2:12.3.5-1.

  • How can I fix CVE-2023-34058?

    To fix CVE-2023-34058, update to the recommended version of open-vm-tools: 2:11.3.0-2ubuntu0~ubuntu20.04.7, 2:12.1.5-3~ubuntu0.22.04.4, 2:12.1.5-3ubuntu0.23.04.3, 2:12.3.0-1ubuntu0.1, 2:11.2.5-2+deb11u3, 2:12.2.0-1+deb12u2, 2:12.3.5-1.

  • Where can I find more information about CVE-2023-34058?

    You can find more information about CVE-2023-34058 at the following references: [VMware Security Advisory](https://www.vmware.com/security/advisories/VMSA-2023-0024.html), [OpenWall mailing list](http://www.openwall.com/lists/oss-security/2023/10/27/1), [Debian Security Advisory](https://www.debian.org/security/2023/dsa-5543).

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