CVE-2023-39350
MEDIUMFreeRDP < 2.11.0 - Denial of Service via Integer Underflow
Title source: llmDescription
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.
References (8)
Core 8
Core References
Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/A6LLDAPEXRDJOM3PREDDD267SSNT77DP/
Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/IHMTGKCZXJPQOR5ZD2I4GPDNP2DKRXMF/
Mailing List
https://lists.fedoraproject.org/archives/list/[email protected]/message/OH2ATH2BKDNKCJAU4WPPXK4SHLE3UJUV/
Third Party Advisory
https://security.gentoo.org/glsa/202401-16
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rrrv-3w42-pffh
Scores
CVSS v3
5.9
EPSS
0.0138
EPSS Percentile
68.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-191
Status
published
Products (6)
debian/debian_linux
10.0
fedoraproject/fedora
37
fedoraproject/fedora
38
fedoraproject/fedora
39
freerdp/freerdp
3.0.0 beta1 (2 CPE variants)
freerdp/freerdp
< 2.11.0
Published
Aug 31, 2023
Tracked Since
Feb 18, 2026