VMware Workstation/Horizon Client Cortado Thinprint integer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00 |
Summary
A vulnerability was found in VMware Workstation and Horizon Client. It has been classified as problematic. This issue affects some unknown processing of the component Cortado Thinprint. This manipulation causes integer overflow. This vulnerability is handled as CVE-2020-3990. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability was found in VMware Workstation and Horizon Client (Virtualization Software) (unknown version). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Cortado Thinprint. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality. The summary by CVE is:
VMware Workstation (15.x) and Horizon Client for Windows (5.x before 5.4.4) contain an information disclosure vulnerability due to an integer overflow issue in Cortado ThinPrint component. A malicious actor with normal access to a virtual machine may be able to exploit this issue to leak memory from TPView process running on the system where Workstation or Horizon Client for Windows is installed. Exploitation is only possible if virtual printing has been enabled. This feature is not enabled by default on Workstation but it is enabled by default on Horizon Client.
The weakness was released 09/16/2020 (Website). The advisory is shared at vmware.com. This vulnerability is known as CVE-2020-3990 since 12/30/2019. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.
Upgrading eliminates this vulnerability.
Entries connected to this vulnerability are available at VDB-161336, VDB-161337, VDB-161338 and VDB-161339. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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: 5.1VulDB Meta Temp Score: 5.1
VulDB Base Score: 3.8
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
12/30/2019 🔍09/16/2020 🔍
09/17/2020 🔍
09/17/2020 🔍
Sources
Vendor: vmware.comAdvisory: vmware.com
Status: Not defined
CVE: CVE-2020-3990 (🔍)
GCVE (CVE): GCVE-0-2020-3990
GCVE (VulDB): GCVE-100-161341
scip Labs: https://www.scip.ch/en/?labs.20060413
See also: 🔍
Entry
Created: 09/17/2020 06:49Updated: 09/17/2020 06:54
Changes: 09/17/2020 06:49 (39), 09/17/2020 06:54 (18)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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