USN-3491-1: ldns vulnerabilities
22 November 2017
Several security issues were fixed in ldns.
- ldns - ldns library for DNS programming
Leon Weber discovered that the ldns-keygen tool incorrectly set permissions
on private keys. A local attacker could possibly use this issue to obtain
generated private keys. This issue only applied to Ubuntu 14.04 LTS.
Stephan Zeisberg discovered that ldns incorrectly handled memory when
processing data. A remote attacker could use this issue to cause ldns to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2017-1000231, CVE-2017-1000232)
The problem can be corrected by updating your system to the following package versions:
In general, a standard system update will make all the necessary changes.