1. Ubuntu Security Notices
  2. USN-6271-1

USN-6271-1: MaraDNS vulnerabilities

Publication date

3 August 2023

Overview

Several security issues were fixed in MaraDNS.

Releases

Packages

  • 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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
23.04 lunar maradns-zoneserver –  2.0.13-1.4+deb11u1build0.23.04.1
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
22.04 jammy maradns-zoneserver –  2.0.13-1.4+deb11u1build0.22.04.1
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
20.04 focal maradns-zoneserver –  2.0.13-1.4+deb11u1build0.20.04.1
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
18.04 bionic maradns-zoneserver –  2.0.13-1.2ubuntu0.1~esm1  
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  
16.04 xenial maradns-zoneserver –  2.0.13-1ubuntu0.1~esm1  
duende –  2.0.13-1ubuntu0.1~esm1  
maradns –  2.0.13-1ubuntu0.1~esm1  
maradns-deadwood –  2.0.13-1ubuntu0.1~esm1  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›