VMware Tools up to 10.3.x/11.x/12.1.0/12.3.4 SAML Token Signature signature verification

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in VMware Tools up to 10.3.x/11.x/12.1.0/12.3.4. It has been declared as critical. This issue affects some unknown processing of the component SAML Token Signature Handler. Executing a manipulation can lead to an unknown weakness. This vulnerability is handled as CVE-2023-34058. The attack can only be done within the local network. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in VMware Tools up to 10.3.x/11.x/12.1.0/12.3.4. This vulnerability affects some unknown processing of the component SAML Token Signature Handler. The CWE definition for the vulnerability is CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 10/27/2023 as VMSA-2023-0024. The advisory is shared for download at vmware.com. This vulnerability was named CVE-2023-34058 since 05/25/2023. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 276420 (TencentOS Server 4: open-vm-tools (TSSA-2024:0041)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 12.1.1 or 12.3.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (276420). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.1
CNA Vector (VMware): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 276420
Nessus Name: TencentOS Server 4: open-vm-tools (TSSA-2024:0041)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tools 12.1.1/12.3.5

Timelineinfo

05/25/2023 🔍
10/27/2023 +155 days 🔍
10/27/2023 +0 days 🔍
11/21/2025 +756 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2023-0024
Status: Confirmed

CVE: CVE-2023-34058 (🔍)
GCVE (CVE): GCVE-0-2023-34058
GCVE (VulDB): GCVE-100-243676
scip Labs: https://www.scip.ch/en/?labs.20060413

Entryinfo

Created: 10/27/2023 07:34
Updated: 11/21/2025 21:36
Changes: 10/27/2023 07:34 (48), 11/19/2023 01:35 (1), 11/19/2023 01:41 (11), 03/06/2025 22:59 (19), 11/21/2025 21:36 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!