Vulnerability Description
In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freerdp | Freerdp | < 2.0.0 |
| Canonical | Ubuntu Linux | 18.04 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://github.com/FreeRDP/FreeRDP/commit/f5e73cc7c9cd973b516a618da877c87b80950bPatchThird Party Advisory
- https://github.com/FreeRDP/FreeRDP/issues/6009ExploitThird Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9fw6-m2q8-h5pwThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/4379-1/Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/commit/f5e73cc7c9cd973b516a618da877c87b80950bPatchThird Party Advisory
- https://github.com/FreeRDP/FreeRDP/issues/6009ExploitThird Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9fw6-m2q8-h5pwThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/4379-1/Third Party Advisory
FAQ
What is CVE-2020-11047?
CVE-2020-11047 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results. A malicious server can extract up to 8 bytes of client memory with a manipulated mes...
How severe is CVE-2020-11047?
CVE-2020-11047 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-11047?
Check the references section above for vendor advisories and patch information. Affected products include: Freerdp Freerdp, Canonical Ubuntu Linux, Debian Debian Linux.