CVE-2020-11047

Publication date 7 May 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bounds read in autodetect_recv_bandwidth_measure_results. A malicious server can extract up to 8 bytes of client memory with a manipulated message by providing a short input and reading the measurement result data. This has been patched in 2.0.0.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
freerdp	20.04 LTS focal	Not in release
	19.10 eoan	Not in release
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release
freerdp2	20.04 LTS focal	Fixed 2.1.1+dfsg1-0ubuntu0.20.04.1
	19.10 eoan	Fixed 2.1.1+dfsg1-0ubuntu0.19.10.1
	18.04 LTS bionic	Fixed 2.1.1+dfsg1-0ubuntu0.18.04.1
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
freerdp2	Upstream: f5e73cc

Severity score breakdown

Parameter	Value
Base score	5.9 · Medium
Attack vector	Network
Attack complexity	High
Privileges required	High
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4379-1
FreeRDP vulnerabilities
1 June 2020