Out-of-bounds Read in Freerdp
CVE-2020-11099
In FreeRDP before version 2.1.2, there is an out of bounds read in license_read_new_or_upgrade_license_packet. A manipulated license packet can lead to out of bound reads to an internal buffer. This is fixed in version 2.1.2.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Freerdp — versions < 2.1.2
- Canonical Ubuntu Linux — versions 18.04, 20.04
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 31, 32
- openSUSE Leap — versions 15.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-977w-866x-4v5h (Third Party Advisory)
- github.com/FreeRDP/FreeRDP/commit/6ade7b4cbfd71c54b3d724e8f2d6ac76a58e879a (Patch, Third Party Advisory)
- www.freerdp.com/2020/06/22/2_1_2-released (Release Notes, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/4481-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/10/msg00008.html (mailing-list, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2020-11099?
- CVE-2020-11099 is a low-severity vulnerability in Freerdp, classified under Out-of-bounds Read. CVSS score: 3.5/10. Published 2020-06-22.
- How severe is CVE-2020-11099?
- Low severity. CVSS v3 base score is 3.5 out of 10.
- Is CVE-2020-11099 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.