Miek Gieben DNS Library up to 1.0.9 scan_rr.go setTA null pointer dereference

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Miek Gieben DNS Library up to 1.0.9. This issue affects the function setTA of the file scan_rr.go. Such manipulation as part of Library leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2018-17419. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Miek Gieben DNS Library up to 1.0.9 (Software Library) and classified as problematic. Affected by this issue is the function setTA of the file scan_rr.go. The manipulation as part of a Library leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. CVE summarizes:

An issue was discovered in setTA in scan_rr.go in the Miek Gieben DNS library before 1.0.10 for Go. A dns.ParseZone() parsing error causes a segmentation violation, leading to denial of service.

The bug was discovered 09/19/2018. The weakness was disclosed 03/07/2019. This vulnerability is handled as CVE-2018-17419 since 09/23/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 169 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 1.0.10 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2023-1354). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

Amazon Linux 2
Red Hat Enterprise Linux
Oracle Linux
Red Hat OpenShift
RESF Rocky Linux

Productinfo

Type

Software Library

Vendor

Miek Gieben

Name

DNS Library

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DNS Library 1.0.10

Timelineinfo

09/19/2018 🔍
09/23/2018 +4 days 🔍
03/07/2019 +165 days 🔍
03/08/2019 +1 days 🔍
11/28/2025 +2457 days 🔍

Sourcesinfo

Advisory: 742
Status: Confirmed

CVE: CVE-2018-17419 (🔍)
GCVE (CVE): GCVE-0-2018-17419
GCVE (VulDB): GCVE-100-131432
CERT Bund: WID-SEC-2023-1354 - Red Hat OpenShift Container Platform: Mehrere Schwachstellen

Entryinfo

Created: 03/08/2019 06:56
Updated: 11/28/2025 11:36
Changes: 03/08/2019 06:56 (58), 05/14/2020 14:34 (1), 07/29/2023 11:20 (5), 11/28/2025 11:36 (24)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.