Vulnerability Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_ASSERT` with default compilation flags). When an insufficient blockLen is provided, and proper length validation is not performed, an Integer Underflow occurs, leading to a Denial of Service (DOS) vulnerability. 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 vulnerability.
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/commit/e204fc8be5a372626b13f66daf2abafe71dbc2Patch
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rrrv-3w42-pffhExploitVendor 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/202401-16Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/commit/e204fc8be5a372626b13f66daf2abafe71dbc2Patch
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rrrv-3w42-pffhExploitVendor 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/202401-16Third Party Advisory
FAQ
What is CVE-2023-39350?
CVE-2023-39350 is a vulnerability with a CVSS score of 5.9 (MEDIUM). FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_AS...
How severe is CVE-2023-39350?
CVE-2023-39350 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-39350?
Check the references section above for vendor advisories and patch information. Affected products include: Freerdp Freerdp, Debian Debian Linux, Fedoraproject Fedora.