Vulnerability Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overflow which has only been shown to cause a crash. 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 |
| Fedoraproject | Fedora | 37 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://github.com/FreeRDP/FreeRDP/commit/16141a30f983dd6f7a6e5b0356084171942c94Patch
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gc34-mw6m-g42xExploitVendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202401-16
- https://github.com/FreeRDP/FreeRDP/commit/16141a30f983dd6f7a6e5b0356084171942c94Patch
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-gc34-mw6m-g42xExploitVendor 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 ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202401-16
FAQ
What is CVE-2023-40589?
CVE-2023-40589 is a vulnerability with a CVSS score of 4.3 (MEDIUM). FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feed...
How severe is CVE-2023-40589?
CVE-2023-40589 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-40589?
Check the references section above for vendor advisories and patch information. Affected products include: Freerdp Freerdp, Fedoraproject Fedora, Debian Debian Linux.