GLSA-202012-18 : PowerDNS: information disclosure

medium Nessus Plugin ID 144588
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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202012-18 (PowerDNS: information disclosure)

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

Solution

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

See Also

http://www.nessus.org/u?8474d3f8

https://security.gentoo.org/glsa/202012-18

Plugin Details

Severity: Medium

ID: 144588

File Name: gentoo_GLSA-202012-18.nasl

Version: 1.2

Type: local

Published: 12/24/2020

Updated: 12/28/2020

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Low

Score: 1.4

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:pdns, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/23/2020

Vulnerability Publication Date: 10/2/2020

Reference Information

CVE: CVE-2020-17482

GLSA: 202012-18