FreeRDP up to 2.1.1 /relax-order-checks update_recv_secondary_order numeric conversion
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 2.8 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in FreeRDP up to 2.1.1. This vulnerability affects the function update_recv_secondary_order of the file /relax-order-checks. Performing a manipulation results in numeric conversion.
This vulnerability is cataloged as CVE-2020-4032. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in FreeRDP up to 2.1.1. This affects the function update_recv_secondary_order of the file /relax-order-checks. The manipulation with an unknown input leads to a numeric conversion vulnerability. CWE is classifying the issue as CWE-681. When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
In FreeRDP before version 2.1.2, there is an integer casting vulnerability in update_recv_secondary_order. All clients with +glyph-cache /relax-order-checks are affected. This is fixed in version 2.1.2.
The weakness was shared 06/22/2020 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2020-4032 since 12/30/2019. It is possible to initiate the attack remotely. Required for exploitation is a authentication. Technical details are known, but no exploit is available.
Upgrading to version 2.1.2 eliminates this vulnerability.
The entries VDB-157150, VDB-157148 and VDB-157147 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Name
Version
License
Website
- Product: https://github.com/FreeRDP/FreeRDP/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.1VulDB Meta Temp Score: 2.9
VulDB Base Score: 3.1
VulDB Temp Score: 2.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 3.1
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: 🔍
Exploiting
Class: Numeric conversionCWE: CWE-681 / CWE-704
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: FreeRDP 2.1.2
Timeline
12/30/2019 🔍06/22/2020 🔍
06/23/2020 🔍
10/26/2020 🔍
Sources
Product: github.comAdvisory: github.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2020-4032 (🔍)
GCVE (CVE): GCVE-0-2020-4032
GCVE (VulDB): GCVE-100-157149
See also: 🔍
Entry
Created: 06/23/2020 11:10Updated: 10/26/2020 16:10
Changes: 06/23/2020 11:10 (40), 06/23/2020 11:15 (11), 10/26/2020 16:02 (1), 10/26/2020 16:10 (1)
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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