CVEvulnerability
CVE-2023-39350
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-08-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-191
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.
Affected configurations
• freerdp freerdp (< 2.11.0)
• freerdp freerdp 3.0.0
• debian debian linux 10.0
• fedoraproject fedora 37
• fedoraproject fedora 38
• fedoraproject fedora 39
Related
Weakness · CWE (1)
- CWE-191 Integer Underflow (Wrap or Wraparound) weakness
References
- https://github.com/FreeRDP/FreeRDP/commit/e204fc8be5a372626b13f66daf2abafe71dbc2dc Patch
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rrrv-3w42-pffh Exploit, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html Mailing List, Third Party Advisory
- 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/ Mailing List
- https://security.gentoo.org/glsa/202401-16 Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/commit/e204fc8be5a372626b13f66daf2abafe71dbc2dc Patch
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rrrv-3w42-pffh Exploit, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html lists.debian.org
- 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/ Mailing List
- https://security.gentoo.org/glsa/202401-16 Third Party Advisory