Published on September 23rd, 2022 📆 | 2682 Views ⚑0
Ubuntu Security Notice USN-5626-2 – Torchsec
Ubuntu Security Notice USN-5626-2
September 21, 2022
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Several security issues were fixed in Bind.
- bind9: Internet Domain Name Server
USN-5626-1 fixed several vulnerabilities in Bind. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
Yehuda Afek, Anat Bremler-Barr, and Shani Stajnrod discovered that Bind
incorrectly handled large delegations. A remote attacker could possibly use
this issue to reduce performance, leading to a denial of service.
It was discovered that Bind incorrectly handled memory when processing
ECDSA DNSSEC verification. A remote attacker could use this issue to
consume resources, leading to a denial of service. (CVE-2022-38177)
The problem can be corrected by updating your system to the following
Ubuntu 16.04 ESM:
Ubuntu 14.04 ESM:
In general, a standard system update will make all the necessary changes.