Detections
Analytics
Linux Distros Unpatched Vulnerability : CVE-2020-19860
medium Nessus Plugin ID 223456
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Synopsis
The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.Description
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.- When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a zone file payload. (CVE-2020-19860)
Note that Nessus relies on the presence of the package as reported by the vendor.
Solution
There is no known solution at this time.See Also
https://access.redhat.com/security/cve/cve-2020-19860
Plugin Details
Severity: Medium
ID: 223456
File Name: unpatched_CVE_2020_19860.nasl
Version: 1.3
Type: local
Agent: unix
Family: Misc.
Published: 3/4/2025
Updated: 9/5/2025
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.4
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2020-19860
CVSS v3
Risk Factor: Medium
Base Score: 6.5
Temporal Score: 5.9
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:ldns, p-cpe:/a:redhat:enterprise_linux:ldns, p-cpe:/a:centos:centos:ldns, p-cpe:/a:canonical:ubuntu_linux:ldns, p-cpe:/a:centos:centos:ldns-doc, p-cpe:/a:redhat:enterprise_linux:ldns-doc, p-cpe:/a:centos:centos:perl-ldns, p-cpe:/a:redhat:enterprise_linux:perl-ldns, cpe:/o:redhat:enterprise_linux:8, cpe:/o:centos:centos:8, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:centos:centos:ldns-devel, p-cpe:/a:redhat:enterprise_linux:ldns-devel, p-cpe:/a:centos:centos:ldns-utils, p-cpe:/a:centos:centos:python3-ldns, p-cpe:/a:redhat:enterprise_linux:ldns-utils, p-cpe:/a:redhat:enterprise_linux:python3-ldns
Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier
Exploit Available: true
Exploit Ease: Exploits are available
Vulnerability Publication Date: 1/21/2022
Reference Information
CVE: CVE-2020-19860