Bug 918407 (CVE-2023-20900, CVE-2023-34058, CVE-2023-34059, VMSA-2023-0019, VMSA-2023-0024)

Summary:	<app-emulation/open-vm-tools-12.3.5: multiple vulnerabilities
Product:	Gentoo Security	Reporter:	John Helmert III <ajak>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	IN_PROGRESS ---
Severity:	normal	CC:	ajak, maintainer-needed
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:	B2 [glsa?]
Package list:		Runtime testing required:	---

Description John Helmert III archtester

2023-11-24 16:46:58 UTC

CVE-2023-20900 (https://www.vmware.com/security/advisories/VMSA-2023-0019.html):

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 .

CVE-2023-34058 (https://www.vmware.com/security/advisories/VMSA-2023-0024.html):

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 .

CVE-2023-34059 (https://www.vmware.com/security/advisories/VMSA-2023-0024.html):

open-vm-tools contains a file descriptor hijack vulnerability in the vmware-user-suid-wrapper. A malicious actor with non-root privileges may be able to hijack the 
/dev/uinput file descriptor allowing them to simulate user inputs.

Matthias Gerstner notes that CVE-2023-34059 doesn't seem to be
fixed. Looking closer, it doesn't *seem* like CVE-2023-34058 is fixed
in 12.3.0 either, but rather in 12.3.5? At least the commits only seem
to appear in history just before the 12.3.5 release:

https://github.com/vmware/open-vm-tools/commits/stable-12.3.x

Comment 1 John Helmert III archtester

2023-11-26 19:23:05 UTC

CVE-2023-20900 is fixed in 12.3.0 and 12.3.5, patch is in as 74b6d0d9000eda1a2c8f31c40c725fb0b8520b16.

Comment 2 John Helmert III archtester

2023-11-26 19:24:46 UTC

CVE-2023-34058 seems to be fixed in 1bfe23d728b74e08f4f65cd9b0093ca73937003a, which is in 12.3.5.

Comment 3 John Helmert III archtester

2023-11-26 19:43:29 UTC

CVE-2023-34059 seemingly has its patch in 12.3.5 too: https://github.com/vmware/open-vm-tools/commit/63f7c79c4aecb14d37cc4ce9da509419e31d394f

Asking for more info from Matthias on oss-security.

Comment 4 John Helmert III archtester

2024-11-03 17:39:14 UTC

Yes, it seems I misunderstood him and that these are fixed.