- Vulnerability/
- USN-3954-1
USN-3954-1: FreeRADIUS vulnerabilities
First published: Wed Apr 24 2019(Updated: )
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)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/freeradius | <3.0.17+dfsg-1ubuntu2.1 | 3.0.17+dfsg-1ubuntu2.1 |
| Ubuntu OpenSSH Client | =19.04 | |
| All of | ||
| ubuntu/freeradius | <3.0.16+dfsg-3ubuntu1.1 | 3.0.16+dfsg-3ubuntu1.1 |
| Ubuntu OpenSSH Client | =18.10 | |
| All of | ||
| ubuntu/freeradius | <3.0.16+dfsg-1ubuntu3.1 | 3.0.16+dfsg-1ubuntu3.1 |
| Ubuntu OpenSSH Client | =18.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2019-11234
- https://ubuntu.com/security/CVE-2019-11235
- 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
- https://ubuntu.com/security/notices/USN-3954-1 (Advisory)
Frequently Asked Questions
What is the severity of USN-3954-1?
The severity of USN-3954-1 is categorized as a possible authentication bypass vulnerability.
How do I fix USN-3954-1?
To fix USN-3954-1, users should upgrade their FreeRADIUS packages to the latest versions available.
Which versions are affected by USN-3954-1?
USN-3954-1 affects FreeRADIUS versions up to 3.0.17+dfsg-1ubuntu2.1 and lower 3.0.16 versions.
What type of attack does USN-3954-1 protect against?
USN-3954-1 helps protect against a potential attacker bypassing authentication.
What systems are impacted by USN-3954-1?
USN-3954-1 impacts Ubuntu systems running specific vulnerable versions of FreeRADIUS.
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- version/ubuntu openssh client/19.04
- version/ubuntu openssh client/18.10
- version/ubuntu openssh client/18.04