========================================================================== Ubuntu Security Notice USN-7203-1 January 14, 2025
pdns, pdns-recursor vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS 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 attacker could possibly use this issue to cause denial of service. (CVE-2018-14644) Nathaniel Ferguson discovered that PowerDNS Authoritative Server incorrectly handled memory when receiving certain remote input. An attacker could possibly use this issue to obtain sensitive information. (CVE-2020-17482) Nicolas Dehaine and Dmitry Shabanov discovered that PowerDNS Authoritative Server and PowerDNS Recursor incorrectly handled IXFR requests in certain circumstances. An attacker could possibly use this issue to cause denial of service. (CVE-2022-27227) 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
OpenPGP_signature.asc
Description: OpenPGP digital signature
