Ubuntu 6271-1: MaraDNS vulnerabilities
Summary
A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) Summary: Several security issues were fixed in MaraDNS. Software Description: - maradns: A small open-source DNS server Details: Xiang Li discovered that MaraDNS incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to obtain sensitive information. (CVE-2022-30256) Huascar Tejeda discovered that MaraDNS incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2023-31137)
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: duende 2.0.13-1.4+deb11u1build0.23.04.1 maradns 2.0.13-1.4+deb11u1build0.23.04.1 maradns-deadwood 2.0.13-1.4+deb11u1build0.23.04.1 maradns-zoneserver 2.0.13-1.4+deb11u1build0.23.04.1 Ubuntu 22.04 LTS: duende 2.0.13-1.4+deb11u1build0.22.04.1 maradns 2.0.13-1.4+deb11u1build0.22.04.1 maradns-deadwood 2.0.13-1.4+deb11u1build0.22.04.1 maradns-zoneserver 2.0.13-1.4+deb11u1build0.22.04.1 Ubuntu 20.04 LTS: duende 2.0.13-1.4+deb11u1build0.20.04.1 maradns 2.0.13-1.4+deb11u1build0.20.04.1 maradns-deadwood 2.0.13-1.4+deb11u1build0.20.04.1 maradns-zoneserver 2.0.13-1.4+deb11u1build0.20.04.1 Ubuntu 18.04 LTS (Available with Ubuntu Pro): duende 2.0.13-1.2ubuntu0.1~esm1 maradns 2.0.13-1.2ubuntu0.1~esm1 maradns-deadwood 2.0.13-1.2ubuntu0.1~esm1 maradns-zoneserver 2.0.13-1.2ubuntu0.1~esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): duende 2.0.13-1ubuntu0.1~esm1 maradns 2.0.13-1ubuntu0.1~esm1 maradns-deadwood 2.0.13-1ubuntu0.1~esm1 maradns-zoneserver 2.0.13-1ubuntu0.1~esm1 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-6271-1
CVE-2022-30256, CVE-2023-31137
![Dist Ubuntu](/images/distros/dist-ubuntu.png)
Package Information
https://launchpad.net/ubuntu/+source/maradns/2.0.13-1.4+deb11u1build0.23.04.1 https://launchpad.net/ubuntu/+source/maradns/2.0.13-1.4+deb11u1build0.22.04.1 https://launchpad.net/ubuntu/+source/maradns/2.0.13-1.4+deb11u1build0.20.04.1