CVE-2023-39350

Published: 1 September 2023

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.

Notes

Priority reason:
Denial of service against FreeRDP client only.

Status

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-39350
• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rrrv-3w42-pffh
• https://github.com/FreeRDP/FreeRDP/commit/e204fc8be5a372626b13f66daf2abafe71dbc2dc
• NVD
• Launchpad
• Debian