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CVE-2020-15103

Description

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


Affected Software


CPE Name Name Version
freerdp:freerdp freerdp 2.1.2
fedoraproject:fedora fedoraproject fedora 31
fedoraproject:fedora fedoraproject fedora 32
opensuse:leap opensuse leap 15.1
canonical:ubuntu_linux canonical ubuntu linux 18.04
canonical:ubuntu_linux canonical ubuntu linux 20.04

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