Out-of-bounds Read in Freerdp
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.018 (77.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Freerdp — versions > 1.1, < 2.0.0
- Canonical Ubuntu Linux — versions 16.04, 18.04, 19.10
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
References
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-9jp6-5vf2-cx2q (Third Party Advisory)
- github.com/FreeRDP/FreeRDP/issues/6010 (Exploit, Third Party Advisory)
- github.com/FreeRDP/FreeRDP/commit/6b2bc41935e53b0034fe5948aeeab4f32e80f30f (Patch, Third Party Advisory)
- usn.ubuntu.com/4379-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4382-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/08/msg00054.html (mailing-list, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/10/msg00008.html (mailing-list, Mailing List)
Frequently asked questions
- What is CVE-2020-11042?
- CVE-2020-11042 is a medium-severity vulnerability in Freerdp, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-05-07.
- How severe is CVE-2020-11042?
- Medium severity. CVSS v3 base score is 5.5 out of 10.