Vulnerability Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an IntegerOverflow leading to Out-Of-Bound Write Vulnerability in the `gdi_CreateSurface` function. This issue affects FreeRDP based clients only. FreeRDP proxies are not affected as image decoding is not done by a proxy. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freerdp | Freerdp | < 2.11.0 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 37 |
Related Weaknesses (CWE)
References
- https://github.com/FreeRDP/FreeRDP/blob/fee2b10ba1154f952769a53eb608f044782e22f8Issue Tracking
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hcj4-3c3r-5j3vExploitVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing List
- https://security.gentoo.org/glsa/202401-16
- https://github.com/FreeRDP/FreeRDP/blob/fee2b10ba1154f952769a53eb608f044782e22f8Issue Tracking
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hcj4-3c3r-5j3vExploitVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing List
- https://security.gentoo.org/glsa/202401-16
FAQ
What is CVE-2023-40186?
CVE-2023-40186 is a vulnerability with a CVSS score of 6.5 (MEDIUM). FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to an IntegerOverflow leading to Out-Of-Bound Write Vulnerabilit...
How severe is CVE-2023-40186?
CVE-2023-40186 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-40186?
Check the references section above for vendor advisories and patch information. Affected products include: Freerdp Freerdp, Debian Debian Linux, Fedoraproject Fedora.