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AUSCERT External Security Bulletin Redistribution
ESB-2020.1914
USN-4379-1: FreeRDP vulnerabilities
2 June 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: FreeRDP
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Privileged Data -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-13398 CVE-2020-13397 CVE-2020-13396
CVE-2020-11526 CVE-2020-11525 CVE-2020-11524
CVE-2020-11523 CVE-2020-11522 CVE-2020-11521
CVE-2020-11058 CVE-2020-11049 CVE-2020-11048
CVE-2020-11047 CVE-2020-11046 CVE-2020-11045
CVE-2020-11044 CVE-2020-11042 CVE-2019-17177
CVE-2018-1000852
Reference: ASB-2020.0017
ESB-2020.1875
ESB-2020.1500
ESB-2020.0553
ESB-2019.4475
ESB-2019.0677
Original Bulletin:
https://usn.ubuntu.com/4379-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running FreeRDP check for an updated version of the software for
their operating system.
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USN-4379-1: FreeRDP vulnerabilities
1 June 2020
freerdp2 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 20.04 LTS
o Ubuntu 19.10
o Ubuntu 18.04 LTS
Summary
Several security issues were fixed in FreeRDP.
Software Description
o freerdp2 - RDP client for Windows Terminal Services
Details
It was discovered that FreeRDP incorrectly handled certain memory operations. A
remote attacker could use this issue to cause FreeRDP to crash, resulting in a
denial of service, or possibly exeucte arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04 LTS
libfreerdp-client2-2 - 2.1.1+dfsg1-0ubuntu0.20.04.1
libfreerdp-server2-2 - 2.1.1+dfsg1-0ubuntu0.20.04.1
libfreerdp2-2 - 2.1.1+dfsg1-0ubuntu0.20.04.1
Ubuntu 19.10
libfreerdp-client2-2 - 2.1.1+dfsg1-0ubuntu0.19.10.1
libfreerdp-server2-2 - 2.1.1+dfsg1-0ubuntu0.19.10.1
libfreerdp2-2 - 2.1.1+dfsg1-0ubuntu0.19.10.1
Ubuntu 18.04 LTS
libfreerdp-client2-2 - 2.1.1+dfsg1-0ubuntu0.18.04.1
libfreerdp-server2-2 - 2.1.1+dfsg1-0ubuntu0.18.04.1
libfreerdp2-2 - 2.1.1+dfsg1-0ubuntu0.18.04.1
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
This update uses a new upstream release, which includes additional bug fixes.
In general, a standard system update will make all the necessary changes.
References
o CVE-2018-1000852
o CVE-2019-17177
o CVE-2020-11042
o CVE-2020-11044
o CVE-2020-11045
o CVE-2020-11046
o CVE-2020-11047
o CVE-2020-11048
o CVE-2020-11049
o CVE-2020-11058
o CVE-2020-11521
o CVE-2020-11522
o CVE-2020-11523
o CVE-2020-11524
o CVE-2020-11525
o CVE-2020-11526
o CVE-2020-13396
o CVE-2020-13397
o CVE-2020-13398
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