Advisory Published

USN-6271-1: MaraDNS vulnerabilities

First published: Thu Aug 03 2023(Updated: )

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)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/maradns-zoneserver<2.0.13-1.4+deb11u1build0.23.04.1
2.0.13-1.4+deb11u1build0.23.04.1
Ubuntu=23.04
All of
ubuntu/duende<2.0.13-1.4+deb11u1build0.23.04.1
2.0.13-1.4+deb11u1build0.23.04.1
Ubuntu=23.04
All of
ubuntu/maradns<2.0.13-1.4+deb11u1build0.23.04.1
2.0.13-1.4+deb11u1build0.23.04.1
Ubuntu=23.04
All of
ubuntu/maradns-deadwood<2.0.13-1.4+deb11u1build0.23.04.1
2.0.13-1.4+deb11u1build0.23.04.1
Ubuntu=23.04
All of
ubuntu/maradns-zoneserver<2.0.13-1.4+deb11u1build0.22.04.1
2.0.13-1.4+deb11u1build0.22.04.1
Ubuntu=22.04
All of
ubuntu/duende<2.0.13-1.4+deb11u1build0.22.04.1
2.0.13-1.4+deb11u1build0.22.04.1
Ubuntu=22.04
All of
ubuntu/maradns<2.0.13-1.4+deb11u1build0.22.04.1
2.0.13-1.4+deb11u1build0.22.04.1
Ubuntu=22.04
All of
ubuntu/maradns-deadwood<2.0.13-1.4+deb11u1build0.22.04.1
2.0.13-1.4+deb11u1build0.22.04.1
Ubuntu=22.04
All of
ubuntu/maradns-zoneserver<2.0.13-1.4+deb11u1build0.20.04.1
2.0.13-1.4+deb11u1build0.20.04.1
Ubuntu=20.04
All of
ubuntu/duende<2.0.13-1.4+deb11u1build0.20.04.1
2.0.13-1.4+deb11u1build0.20.04.1
Ubuntu=20.04
All of
ubuntu/maradns<2.0.13-1.4+deb11u1build0.20.04.1
2.0.13-1.4+deb11u1build0.20.04.1
Ubuntu=20.04
All of
ubuntu/maradns-deadwood<2.0.13-1.4+deb11u1build0.20.04.1
2.0.13-1.4+deb11u1build0.20.04.1
Ubuntu=20.04
All of
ubuntu/maradns-zoneserver<2.0.13-1.2ubuntu0.1~esm1
2.0.13-1.2ubuntu0.1~esm1
Ubuntu=18.04
All of
ubuntu/duende<2.0.13-1.2ubuntu0.1~esm1
2.0.13-1.2ubuntu0.1~esm1
Ubuntu=18.04
All of
ubuntu/maradns<2.0.13-1.2ubuntu0.1~esm1
2.0.13-1.2ubuntu0.1~esm1
Ubuntu=18.04
All of
ubuntu/maradns-deadwood<2.0.13-1.2ubuntu0.1~esm1
2.0.13-1.2ubuntu0.1~esm1
Ubuntu=18.04
All of
ubuntu/maradns-zoneserver<2.0.13-1ubuntu0.1~esm1
2.0.13-1ubuntu0.1~esm1
Ubuntu=16.04
All of
ubuntu/duende<2.0.13-1ubuntu0.1~esm1
2.0.13-1ubuntu0.1~esm1
Ubuntu=16.04
All of
ubuntu/maradns<2.0.13-1ubuntu0.1~esm1
2.0.13-1ubuntu0.1~esm1
Ubuntu=16.04
All of
ubuntu/maradns-deadwood<2.0.13-1ubuntu0.1~esm1
2.0.13-1ubuntu0.1~esm1
Ubuntu=16.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6271-1?

    The severity of USN-6271-1 is considered high due to the potential exposure of sensitive information.

  • How do I fix USN-6271-1?

    To fix USN-6271-1, you should update your affected packages to the recommended versions listed in the security notice.

  • Which packages are affected by USN-6271-1?

    The affected packages by USN-6271-1 include maradns, maradns-zoneserver, maradns-deadwood, and duende in specific versions.

  • What versions are vulnerable in USN-6271-1?

    Versions of maradns packages prior to 2.0.13-1.4+deb11u1build0.23.04.1 are vulnerable to the issues described in USN-6271-1.

  • Is USN-6271-1 specific to certain Ubuntu releases?

    Yes, USN-6271-1 affects Ubuntu versions 16.04, 18.04, 20.04, and 22.04.

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