[USN-4475-1] Chrony vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Thu Aug 27 13:55:27 UTC 2020

Ubuntu Security Notice USN-4475-1
August 27, 2020

chrony vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS


Chrony could be made to crash or expose sensitive information.

Software Description:
- chrony: An implementation of the Network Time Protocol


It was discovered that Chrony incorrectly handled certain symbolic links.
An attacker could possibly use this issue to cause a denial of service or
expose sensitive information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  chrony                          3.5-6ubuntu6.2

Ubuntu 18.04 LTS:
  chrony                          3.2-4ubuntu4.5

In general, a standard system update will make all the necessary changes.


Package Information:
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20200827/e6c32321/attachment.sig>

More information about the ubuntu-security-announce mailing list