CVE-2023-40187
Use-After-Free in FreeRDP
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions of the 3.x beta branch are subject to a Use-After-Free issue in the `avc420_ensure_buffer` and `avc444_ensure_buffer` functions. If the value of `piDstSize[x]` is 0, `ppYUVDstData[x]` will be freed. However, in this case `ppYUVDstData[x]` will not have been updated which leads to a Use-After-Free vulnerability. This issue has been addressed in version 3.0.0-beta3. Users of the 3.x beta releases are advised to upgrade. There are no known workarounds for this vulnerability.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-08-09 CVE Reserved
- 2023-08-31 CVE Published
- 2024-08-02 CVE Updated
- 2024-08-02 First Exploit
- 2024-09-06 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-416: Use After Free
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://github.com/FreeRDP/FreeRDP/blob/5be5553e0da72178a4b94cc1ffbdace9ceb153e5/libfreerdp/codec/h264.c#L413-L427 | Issue Tracking | |
| https://security.gentoo.org/glsa/202401-16 |
|
| URL | Date | SRC |
|---|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-pwf9-v5p9-ch4f | 2024-08-02 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Freerdp Search vendor "Freerdp" | Freerdp Search vendor "Freerdp" for product "Freerdp" | 3.0.0 Search vendor "Freerdp" for product "Freerdp" and version "3.0.0" | beta1 |
Affected
| ||||||
| Freerdp Search vendor "Freerdp" | Freerdp Search vendor "Freerdp" for product "Freerdp" | 3.0.0 Search vendor "Freerdp" for product "Freerdp" and version "3.0.0" | beta2 |
Affected
| ||||||