Alerts This Week
Warning Icon 1 1,111
Alerts This Week
Warning Icon 1 1,111

Ubuntu 22.04 LTS: USN-7203-1 critical: PowerDNS memory issues

ubuntu
Calendar Grey January 14, 2025
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-7204-1 provides essential updates for OpenSSH, mitigating various vulnerabilities.
Several security issues were fixed in PowerDNS.

Summary

Several security issues were fixed in PowerDNS.

Software Description:

- pdns: extremely powerful and versatile nameserver

- pdns-recursor: PowerDNS Recursor

Details:

Wei Hao discovered that PowerDNS Authoritative Server incorrectly handled

memory when accessing certain files. An attacker could possibly use this

issue to achieve arbitrary code execution. (CVE-2018-1046)

It was discovered that PowerDNS Authoritative Server and PowerDNS Recursor

incorrectly handled memory when receiving certain remote input. An attacker

could possibly use this issue to cause denial of service. (CVE-2018-10851)

Kees Monshouwer discovered that PowerDNS Authoritative Server and PowerDNS

Recursor incorrectly handled request validation after having cached

malformed input. An attacker could possibly use this issue to cause denial

of service. (CVE-2018-14626)

Toshifumi Sakaguchi discovered that PowerDNS Recursor incorrectly handled

requests after having cached malformed input. An...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory DoS arbitrary code execution Ubuntu update instructions memory handling PowerDNS

Update Instructions

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

Ubuntu 22.04 LTS
   pdns-recursor                   4.6.0-1ubuntu1+esm1
                                   Available with Ubuntu Pro
   pdns-server                     4.5.3-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   pdns-tools                      4.5.3-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   pdns-recursor                   4.2.1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   pdns-server                     4.2.1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   pdns-tools                      4.2.1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   pdns-recursor                   4.1.1-2ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   pdns-server                     4.1.1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   pdns-tools                      4.1.1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   pdns-recursor                   4.0.0~alpha2-2ubuntu0.1+esm1
                                   Available with Ubuntu Pro
   pdns-server                     4.0.0~alpha2-3ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   pdns-tools                      4.0.0~alpha2-3ubuntu0.1~esm1
                                   Available with Ubuntu Pro

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

References

  https://ubuntu.com/security/notices/USN-7203-1

  CVE-2018-1046, CVE-2018-10851, CVE-2018-14626, CVE-2018-14644,

  CVE-2020-17482, CVE-2022-27227

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7203-1

Topics%20covered

Topics Covered

security advisory DoS arbitrary code execution Ubuntu update instructions memory handling PowerDNS

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here