Ubuntu Security Notice USN-6271-1 ≈ Packet Storm

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Ubuntu Security Notice USN-6271-1^[6]: Authored by Ubuntu ^[7] | Site security.ubuntu.com ^[8]; Ubuntu Security Notice 6271-1 - 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. 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.; systems | linux ^[9], ubuntu ^[10]; advisories | CVE-2022-30256 ^[11], CVE-2023-31137 ^[12]; SHA-256 | 7f2d611797f2f8ddadb470f6a8f078b6453bb40ffcdec8228c380432f2e47d88; Download ^[13] | Favorite ^[14] | View ^[15]

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Ubuntu Security Notice USN-6271-1
August 03, 2023
maradns vulnerabilities
==========================================================================
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
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