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CVE-2020-15103

Status Candidate

Overview

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

Related Files

Red Hat Security Advisory 2021-1849-01
Posted May 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1849-01 - FreeRDP is a free implementation of the Remote Desktop Protocol, released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Issues addressed include integer overflow and out of bounds read vulnerabilities.

tags | advisory, remote, overflow, vulnerability, protocol
systems | linux, redhat, windows
advisories | CVE-2020-11095, CVE-2020-11096, CVE-2020-11097, CVE-2020-11098, CVE-2020-11099, CVE-2020-15103, CVE-2020-4030, CVE-2020-4033
SHA-256 | ac4614c82282afebd729654634afab0c97d4cc5f7d6b7fb96b60973b96d92c75
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