Integer overflow in Freerdp
CVE-2020-15103
In FreeRDP less than or equal to 2.1.2, an integer overflow exists due to missing input sanitation in rdpegfx channel. All FreeRDP clients are affected. The input rectangles from the server are not checked against local surface coordinates and blindly accepted. A malicious server can send data that will crash the client later on (invalid length arguments to a `memcpy`) This has been fixed in 2.2.0. As a workaround, stop using command line arguments /gfx, /gfx-h264 and /network:auto
EPSS: 0.015 (71.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.
Affected products
- Freerdp — versions <= 2.1.2
- Canonical Ubuntu_linux — versions 18.04, 20.04
- Debian Debian_linux — versions 10.0
- Fedoraproject Fedora — versions 31, 32
- Opensuse Leap — versions 15.1
Weakness classification (CWE)
References
- security-advisories@github.com (Third Party Advisory)
- security-advisories@github.com (Third Party Advisory, Release Notes)
- security-advisories@github.com (Patch, Third Party Advisory)
- security-advisories@github.com (vendor-advisory)
- security-advisories@github.com (vendor-advisory)
- security-advisories@github.com (vendor-advisory, Mailing List, Third Party Advisory)
- security-advisories@github.com (vendor-advisory, Third Party Advisory)
- security-advisories@github.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15103?
- CVE-2020-15103 is a low-severity vulnerability in Freerdp, classified under Integer Overflow to Buffer Overflow. CVSS score: 3.5/10. Published 2020-07-27.
- How severe is CVE-2020-15103?
- Low severity. CVSS v3 base score is 3.5 out of 10.