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AUSCERT External Security Bulletin Redistribution
ESB-2020.3005
USN-4481-1: FreeRDP vulnerabilities
2 September 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: FreeRDP
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-15103 CVE-2020-11099 CVE-2020-11098
CVE-2020-11097 CVE-2020-11096 CVE-2020-11095
CVE-2020-4033 CVE-2020-4032 CVE-2020-4031
CVE-2020-4030
Reference: ESB-2020.2847
ESB-2020.2611
ESB-2020.2527
Original Bulletin:
https://usn.ubuntu.com/4481-1/
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USN-4481-1: FreeRDP vulnerabilities
01 September 2020
Several security issues were fixed in FreeRDP.
Releases
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
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 execute arbitrary
code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04
o libfreerdp-client2-2 - 2.2.0+dfsg1-0ubuntu0.20.04.1
o libfreerdp-server2-2 - 2.2.0+dfsg1-0ubuntu0.20.04.1
o libfreerdp2-2 - 2.2.0+dfsg1-0ubuntu0.20.04.1
Ubuntu 18.04
o libfreerdp-client2-2 - 2.2.0+dfsg1-0ubuntu0.18.04.1
o libfreerdp-server2-2 - 2.2.0+dfsg1-0ubuntu0.18.04.1
o libfreerdp2-2 - 2.2.0+dfsg1-0ubuntu0.18.04.1
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-2020-11095
o CVE-2020-11096
o CVE-2020-11097
o CVE-2020-11098
o CVE-2020-11099
o CVE-2020-15103
o CVE-2020-4030
o CVE-2020-4031
o CVE-2020-4032
o CVE-2020-4033
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