CVE-2020-11042
MEDIUMCVSS 5.9/10EPSS 1.77%
Last modified
CVE-2020-11042 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. EPSS estimates a 1.77% chance of exploitation in the next 30 days.
Description
In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. This can be used to crash the client or store information for later retrieval. This has been patched in 2.0.0.
Metrics
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freerdp | Freerdp | > 1.1.0, < 2.0.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 19.10 |
| Canonical | Ubuntu Linux | 20.04 |
References
- https://github.com/FreeRDP/FreeRDP/commit/6b2bc41935e53b0034fe5948aeeab4f32e80f30fPatch, Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/issues/6010Exploit, Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9jp6-5vf2-cx2qThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00054.htmlThird Party Advisory
- https://usn.ubuntu.com/4379-1/Third Party Advisory
- https://usn.ubuntu.com/4382-1/Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/commit/6b2bc41935e53b0034fe5948aeeab4f32e80f30fPatch, Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/issues/6010Exploit, Third Party Advisory
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9jp6-5vf2-cx2qThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00054.htmlThird Party Advisory
- https://usn.ubuntu.com/4379-1/Third Party Advisory
- https://usn.ubuntu.com/4382-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-11042?
In FreeRDP greater than 1.1 and before 2.0.0, there is an out-of-bounds read in update_read_icon_info. It allows reading a attacker-defined amount of client memory (32bit unsigned -> 4GB) to an intermediate buffer. This can be used to crash the client or store information for later retrieval. This has been patched in 2.0.0.
How severe is CVE-2020-11042?
CVE-2020-11042 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11042?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-11042?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST