USN-7203-1: PowerDNS vulnerabilities
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)
Affected Software
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-7203-1?
USN-7203-1 has been classified as a critical vulnerability due to the potential for arbitrary code execution.
How do I fix USN-7203-1?
To fix USN-7203-1, upgrade affected packages to the versions specified in the security notice.
Which Ubuntu versions are affected by USN-7203-1?
USN-7203-1 affects Ubuntu 22.04, 20.04, and 18.04 for specific pdns-recursor, pdns-server, and pdns-tools package versions.
What packages are involved in USN-7203-1?
The packages involved in USN-7203-1 are pdns-recursor, pdns-server, and pdns-tools across different Ubuntu versions.
What are the potential risks of not addressing USN-7203-1?
Failing to address USN-7203-1 may expose systems to exploitation, leading to unauthorized access and potential data compromise.