VDB-195440 · CVE-2022-0635 · WID-SEC-2022-0969

ISC BIND 9.18.0 DNSSEC query.c query_dname assertion

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in ISC BIND 9.18.0. This vulnerability affects the function query_dname of the file query.c of the component DNSSEC. Such manipulation leads to assertion. This vulnerability is referenced as CVE-2022-0635. It is possible to launch the attack remotely. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in ISC BIND 9.18.0 (Domain Name Software) and classified as critical. Affected by this issue is the function query_dname of the file query.c of the component DNSSEC. The manipulation with an unknown input leads to a assertion vulnerability. Using CWE to declare the problem leads to CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. Impacted is availability.

The weakness was published 03/18/2022. The advisory is shared for download at kb.isc.org. This vulnerability is handled as CVE-2022-0635. Technical details as well as a exploit are known.

It is declared as functional.

Upgrading to version 9.18.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2022-0969). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

Open Source CentOS
Debian Linux
Amazon Linux 2
Red Hat Enterprise Linux
Ubuntu Linux
SUSE Linux
Gentoo Linux
Open Source Arch Linux
Infoblox NIOS
Internet Systems Consortium BIND
Infoblox DDI

Productinfo

Type

Domain Name Software

Vendor

Name

BIND

Version

9.18.0

License

open-source

Website

Vendor: https://www.isc.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.5
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Functional

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: BIND 9.18.1

Timelineinfo

02/16/2022 🔍
03/18/2022 +30 days 🔍
03/18/2022 +0 days 🔍
11/19/2025 +1342 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: kb.isc.org
Status: Confirmed

CVE: CVE-2022-0635 (🔍)
GCVE (CVE): GCVE-0-2022-0635
GCVE (VulDB): GCVE-100-195440
CERT Bund: WID-SEC-2022-0969 - Internet Systems Consortium BIND: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/18/2022 14:43
Updated: 11/19/2025 12:32
Changes: 03/18/2022 14:43 (41), 03/20/2022 14:54 (1), 11/19/2025 12:32 (21)
Complete: 🔍
Cache ID: 216::103

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