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Ubuntu 23.04 LTS: USN-6271-1 Moderate: MaraDNS Denial of Service

ubuntu
Calendar Grey August 3, 2023
Dist Ubuntu Esm H88
A number of vulnerabilities addressed in MaraDNS for Ubuntu, impacting various releases. Update suggestions issued.
Several security issues were fixed in MaraDNS.

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)

Topics%20covered

Topics Covered

security advisory denial of service ubuntu sensitive information input handling DNS server maradns

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

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6271-1

Topics%20covered

Topics Covered

security advisory denial of service ubuntu sensitive information input handling DNS server maradns

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

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