Information disclosure in PowerDNS Authoritative - CVE-2020-17482

Vulnerability identifier: #VU47123

CSH Severity: Medium

CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N]

CVE-ID: CVE-2020-17482

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application. A remote user with the ability to insert crafted records into a zone might be able to leak the content of uninitialized memory. Such a user could be a customer inserting data via a control panel, or somebody with access to the REST API.

PowerDNS Authoritative
Gentoo Linux
Fedora
SUSE Linux
Opensuse
Ubuntu
pdns (Alpine package)
pdns-recursor (Ubuntu package)
pdns-server (Ubuntu package)
pdns-tools (Ubuntu package)
pdns
SUSE Package Hub for SUSE Linux Enterprise

Install updates from vendor's website.

PowerDNS Authoritative - addressed in versions 4.1.14, 4.2.3, 4.3.1
pdns (Alpine package) - update to 4.3.1-r0
pdns-recursor (Ubuntu package) - update to Ubuntu Pro
pdns-server (Ubuntu package) - update to Ubuntu Pro
pdns-tools (Ubuntu package) - update to Ubuntu Pro
pdns - addressed in versions 4.1.14-1.el7, 4.3.1-1.el8, 4.3.1-1.fc32, 4.3.1-1.fc33

• https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-05.html

• Information disclosure in PowerDNS
• OpenSUSE Linux update for pdns
• OpenSUSE Linux update for pdns
• Information disclosure in pdns (Alpine package)
• Gentoo update for PowerDNS
• Ubuntu update for pdns
• Fedora 33 update for pdns
• Fedora 32 update for pdns
• Fedora EPEL 7 update for pdns
• Fedora EPEL 8 update for pdns