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Gentoo: GLSA-202012-18 Low Severity: PowerDNS Information Disclosure

gentoo
Calendar Grey December 23, 2020
Dist Gentoo Esm H88
The Gentoo Linux advisory GLSA 202103-15 pertains to a minor severity vulnerability in OpenSSH that could potentially expose critical information.
An information disclosure vulnerability in PowerDNS allow remote attackers to obtain sensitive information.

Summary

It was discovered that PowerDNS did not properly handle certain unknown records.

Topics%20covered

Topics Covered

security advisory Gentoo update gentoo software update remote access low severity information disclosure powerdns PowerDNS

Resolution

All PowerDNS users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/pdns-4.3.1"

References

[ 1 ] CVE-2020-17482 https://nvd.nist.gov/vuln/detail/CVE-2020-17482 [ 2 ] PowerDNS Security Advisory 2020-05 https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-05.html

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202012-18
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity
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Severity: Low
Title: PowerDNS: information disclosure
Date: December 23, 2020
Bugs: #744160
ID: 202012-18

Topics%20covered

Topics Covered

security advisory Gentoo update gentoo software update remote access low severity information disclosure powerdns PowerDNS

Synopsis

An information disclosure vulnerability in PowerDNS allow remote attackers to obtain sensitive information.

Background

The PowerDNS nameserver is an authoritative-only nameserver which uses a flexible backend architecture.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dns/pdns < 4.3.1 >= 4.3.1

Impact

===== An authorized attacker with the ability to insert crafted records into a zone might be able to leak the content of uninitialized memory. Crafted records cannot be inserted via AXFR.

Workaround

Do not take zone data from untrusted users.

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