CVE-2023-20867
VMware Tools Authentication Bypass Vulnerability
In short
A compromised ESXi host can bypass authentication checks in VMware Tools, allowing unauthorized access to guest virtual machines and potentially exposing or modifying their data.
Technical detail
CVE-2023-20867 is an authentication bypass in VMware Tools triggered when the ESXi host is fully compromised. The attack vector requires prior host-level compromise to force Tools authentication failure for host-to-guest operations, affecting guest VM confidentiality and integrity.
Summary generated and translated by AI from the official description.
A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Affected products
VMware · VMware ToolsWant to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
https://lists.debian.org/debian-lts-announce/2023/08/msg00020.htmlhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/https://security.netapp.com/advisory/ntap-20230725-0001/https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20867https://www.debian.org/security/2023/dsa-5493https://www.vmware.com/security/advisories/VMSA-2023-0013.htmlhttp://www.openwall.com/lists/oss-security/2023/10/16/11http://www.openwall.com/lists/oss-security/2023/10/16/2