CVE-2020-15103 Integer Overflow in FreeRDP

What is CVE-2020-15103?

CVE-2020-15103 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 27 Jul 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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

Weakness: CWE-190, CWE-680

Which versions are affected by CVE-2020-15103?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Freerdp Freerdp, Opensuse Leap.

How do I fix CVE-2020-15103?

Upgrade to a fixed version.

Is CVE-2020-15103 being exploited?

There is no known exploitation of CVE-2020-15103 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as CLEANSTART-2024-LS41715, DEBIAN-CVE-2020-15103, GHSA-4r38-6hq7-j3j9, OESA-2023-1719, SUSE-SU-2020:2408-1, SUSE-SU-2020:2409-1 and 2 more.