VMware vCenter Server/Cloud Foundation DCERPC Protocol memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.5 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in VMware vCenter Server and Cloud Foundation. The affected element is an unknown function of the component DCERPC Protocol Handler. The manipulation results in memory corruption. This vulnerability was named CVE-2023-20895. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.
Details
A vulnerability classified as critical has been found in VMware vCenter Server and Cloud Foundation (Server Management Software) (affected version unknown). Affected is an unknown functionality of the component DCERPC Protocol Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
The VMware vCenter Server contains a memory corruption vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger a memory corruption vulnerability which may bypass authentication.
The weakness was presented 06/22/2023 as VMSA-2023-0014. The advisory is shared for download at vmware.com. This vulnerability is traded as CVE-2023-20895 since 11/01/2022. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/16/2023).
Applying a patch is able to eliminate this problem.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.vmware.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.7VulDB Meta Temp Score: 8.5
VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CNA Base Score: 8.1
CNA Vector (VMware): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
11/01/2022 🔍06/22/2023 🔍
06/22/2023 🔍
07/16/2023 🔍
Sources
Vendor: vmware.comAdvisory: VMSA-2023-0014
Status: Confirmed
CVE: CVE-2023-20895 (🔍)
GCVE (CVE): GCVE-0-2023-20895
GCVE (VulDB): GCVE-100-232128
scip Labs: https://www.scip.ch/en/?labs.20060413
Entry
Created: 06/22/2023 14:43Updated: 07/16/2023 19:38
Changes: 06/22/2023 14:43 (50), 07/16/2023 19:38 (11)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.