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osvGoogleOSV:CVE-2020-15103
HistoryJul 27, 2020 - 6:15 p.m.

CVE-2020-15103

2020-07-2718:15:13
Google
osv.dev
10
freerdp
integer overflow
rdpegfx
input sanitation
client crash
server vulnerability
data manipulation
2.2.0 fix

AI Score

6.8

Confidence

High

EPSS

0.001

Percentile

43.5%

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