[USN-3954-1] FreeRADIUS vulnerabilities
Leonidas S. Barbosa
leo.barbosa at canonical.com
Wed Apr 24 13:44:37 UTC 2019
==========================================================================
Ubuntu Security Notice USN-3954-1
April 24, 2019
freeradius vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
Summary:
FreeRADIUS could be made to bypass authentication if it received a
specially crafted input.
Software Description:
- freeradius: high-performance and highly configurable RADIUS server
Details:
It was discovered that FreeRADIUS incorrectly handled certain inputs.
An attacker could possibly use this issue to bypass authentication.
(CVE-2019-11234, CVE-2019-11235)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.04:
freeradius 3.0.17+dfsg-1ubuntu2.1
Ubuntu 18.10:
freeradius 3.0.16+dfsg-3ubuntu1.1
Ubuntu 18.04 LTS:
freeradius 3.0.16+dfsg-1ubuntu3.1
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3954-1
CVE-2019-11234, CVE-2019-11235
Package Information:
https://launchpad.net/ubuntu/+source/freeradius/3.0.17+dfsg-1ubuntu2.1
https://launchpad.net/ubuntu/+source/freeradius/3.0.16+dfsg-3ubuntu1.1
https://launchpad.net/ubuntu/+source/freeradius/3.0.16+dfsg-1ubuntu3.1
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