Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2021-41160: A flaw was found in the FreeRDP client where it fails to validate input data when using connections with GDI or SurfaceCommands. This flaw could allow a malicious server sending graphics updates to a client to cause an out of bounds write in client memory using a specially crafted input. The highest threat from this flaw is that it could allow arbitrary code to be executed on the target system. CVE-2021-41159: A flaw was found in the FreeRDP client when it fails to validate input data when using gateway connections. This flaw could allow a malicious gateway to send a specially crafted input to a client leading to an out of bounds write in client memory. The highest threat from this flaw is that it could allow arbitrary code to be executed on the target system.
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | freerdp | 0:2.1.1-5.amzn2 |
| Amazon Linux · 2 | freerdp-debuginfo | 0:2.1.1-5.amzn2 |
| Amazon Linux · 2 | freerdp-devel | 0:2.1.1-5.amzn2 |
| Amazon Linux · 2 | freerdp-libs | 0:2.1.1-5.amzn2 |
| Amazon Linux · 2 | libwinpr | 0:2.1.1-5.amzn2 |
| Amazon Linux · 2 | libwinpr-devel | 0:2.1.1-5.amzn2 |
Vulnerabilities 2
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Medium 5.8
Improper client input validation for FreeRDP gateway connections allows to overwrite memory
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. All FreeRDP clients prior to version 2.4.1 using gateway connections (`/gt:rpc`) fail to validate input data. A malicious gateway might allow client memo…
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Medium 5.3CVE-2021-41160 Public exploit
Improper region checks in FreeRDP allow out of bound write to memory
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions a malicious server might trigger out of bound writes in a connected client. Connections using GDI or SurfaceCommands to send graphic…