FreeRDP up to 1.x update_read_cache_bitmap_v3_order double free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 2.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in FreeRDP up to 1.x. It has been classified as problematic. This issue affects the function update_read_cache_bitmap_v3_order. This manipulation causes double free.
This vulnerability appears as CVE-2020-11044. The attack may be initiated remotely. There is no available exploit.
Upgrading the affected component is recommended.
Details
A vulnerability classified as problematic was found in FreeRDP up to 1.x. Affected by this vulnerability is the function update_read_cache_bitmap_v3_order. The manipulation with an unknown input leads to a double free vulnerability. The CWE definition for the vulnerability is CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. As an impact it is known to affect availability. The summary by CVE is:
In FreeRDP greater than 1.2 and before 2.0.0, a double free in update_read_cache_bitmap_v3_order crashes the client application if corrupted data from a manipulated server is parsed. This has been patched in 2.0.0.
The weakness was presented 05/07/2020 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2020-11044 since 03/30/2020. The exploitation appears to be difficult. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. Technical details are known, but no exploit is available.
Upgrading to version 2.0.0 eliminates this vulnerability.
See VDB-154877, VDB-154876, VDB-154875 and VDB-154874 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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: 2.2VulDB Meta Temp Score: 2.1
VulDB Base Score: 2.2
VulDB Temp Score: 2.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 2.2
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: Double freeCWE: CWE-415 / 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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: FreeRDP 2.0.0
Timeline
03/30/2020 🔍05/07/2020 🔍
05/08/2020 🔍
10/15/2020 🔍
Sources
Product: github.comAdvisory: github.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2020-11044 (🔍)
GCVE (CVE): GCVE-0-2020-11044
GCVE (VulDB): GCVE-100-154873
See also: 🔍
Entry
Created: 05/08/2020 10:07Updated: 10/15/2020 20:25
Changes: 05/08/2020 10:07 (39), 05/08/2020 10:12 (11), 10/15/2020 20:22 (1), 10/15/2020 20:25 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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