| Name | CVE-2023-20900 |
| Description | 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 . |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3597-1, DSA-5493-1, ELA-955-1 |
| Debian Bugs | 1050970 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| open-vm-tools (PTS) | jessie, jessie (lts) | 2:9.4.6-1770165-8+deb8u2 | fixed |
| stretch (lts), stretch | 2:10.1.5-5055683-4+deb9u6 | fixed | |
| buster (security), buster, buster (lts) | 2:10.3.10-1+deb10u6 | fixed | |
| bullseye (security), bullseye | 2:11.2.5-2+deb11u3 | fixed | |
| bookworm (security), bookworm | 2:12.2.0-1+deb12u2 | fixed | |
| trixie | 2:12.4.5-1 | fixed | |
| sid | 2:12.5.0-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| open-vm-tools | source | jessie | (not affected) | |||
| open-vm-tools | source | stretch | 2:10.1.5-5055683-4+deb9u5 | ELA-955-1 | ||
| open-vm-tools | source | buster | 2:10.3.10-1+deb10u5 | DLA-3597-1 | ||
| open-vm-tools | source | bullseye | 2:11.2.5-2+deb11u2 | DSA-5493-1 | ||
| open-vm-tools | source | bookworm | 2:12.2.0-1+deb12u1 | DSA-5493-1 | ||
| open-vm-tools | source | (unstable) | 2:12.3.0-1 | 1050970 |
https://www.openwall.com/lists/oss-security/2023/08/31/1
https://github.com/vmware/open-vm-tools/blob/CVE-2023-20900.patch/CVE-2023-20900.patch
Fixed by: https://github.com/vmware/open-vm-tools/commit/74b6d0d9000eda1a2c8f31c40c725fb0b8520b16 (stable-12.3.0)
[jessie] - open-vm-tools <not-affected> (Vulnerable code introduced later)