CVE-2018-10851 : PowerDNS Authoritative Server 3.3.0 up to 4.1.4 excluding 4.1.5 and 4.0.6, and P

PowerDNS Authoritative Server 3.3.0 up to 4.1.4 excluding 4.1.5 and 4.0.6, and PowerDNS Recursor 3.2 up to 4.1.4 excluding 4.1.5 and 4.0.9, are vulnerable to a memory leak while parsing malformed records that can lead to remote denial of service.

Published 2018-11-29 18:29:00

Updated 2019-10-09 23:33:04

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2018-10851

Powerdns » Recursor
Versions from including (>=) 3.2 and up to, including, (<=) 4.1.4
cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*
Matching versions
Powerdns » Authoritative
Versions from including (>=) 3.3 and up to, including, (<=) 4.1.4
cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2018-10851

Top countries where our scanners detected CVE-2018-10851

Top open port discovered on systems with this issue 53

IPs affected by CVE-2018-10851 15,832

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2018-10851!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-10851

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 15 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-10851

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High
5.3	MEDIUM	CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H	1.6	3.6	Red Hat, Inc.
Attack Vector: Network Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-10851

CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

Assigned by: secalert@redhat.com (Secondary)
CWE-772 Missing Release of Resource after Effective Lifetime

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-10851

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10851

1588185 – (CVE-2018-10851) CVE-2018-10851 pdns: Memory leak while parsing malformed records
Issue Tracking;Third Party Advisory
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-04.html

PowerDNS Security Advisory 2018-04: Crafted answer can cause a denial of service — PowerDNS Recursor documentation
Vendor Advisory
https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2018-03.html

PowerDNS Security Advisory 2018-03: Crafted zone record can cause a denial of service — PowerDNS Authoritative Server documentation
Vendor Advisory