USN-5785-1: FreeRADIUS vulnerabilities
4 January 2023
Several security issues were fixed in FreeRADIUS.
Releases
Packages
- freeradius - high-performance and highly configurable RADIUS server
Details
It was discovered that FreeRADIUS incorrectly handled multiple EAP-pwd
handshakes. An attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-17185)
Shane Guan discovered that FreeRADIUS incorrectly handled memory when
checking unknown SIM option sent by EAP-SIM supplicant. An attacker could
possibly use this issue to cause a denial of service on the server. This
issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 LTS and Ubuntu 20.04
LTS. (CVE-2022-41860)
It was discovered that FreeRADIUS incorrectly handled memory when
processing certain abinary attributes. An attacker could possibly use this
issue to cause a denial of service on the server. (CVE-2022-41861)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
-
freeradius
-
2.2.8+dfsg-0.1ubuntu0.1+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.