CVE-2019-6468 : In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can

In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -> 9.11.5-S5. ONLY BIND Supported Preview Edition releases are affected.

Published 2019-10-09 16:15:17

Updated 2019-12-18 18:15:22

Source Internet Systems Consortium (ISC)

View at NVD, CVE.org

Products affected by CVE-2019-6468

ISC » Bind » Version: 9.11.5 Update S5 Supported Preview Edition
cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:*
Matching versions
ISC » Bind » Version: 9.10.5 Update S1 Supported Preview Edition
cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:*
Matching versions

Threat overview for CVE-2019-6468

Top countries where our scanners detected CVE-2019-6468

Top open port discovered on systems with this issue 53

IPs affected by CVE-2019-6468 140

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-6468!

^*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-2019-6468

EPSS FAQ

0.11%

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

~ 44 %

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

CVSS scores for CVE-2019-6468

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
5.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	3.9	1.4	Internet Systems Consortium (ISC)
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low
7.5	HIGH	CVSS:3.1/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

CWE ids for CVE-2019-6468

CWE-617 Reachable Assertion

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.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-6468

https://kb.isc.org/docs/cve-2019-6468

CVE-2019-6468: BIND Supported Preview Edition can exit with an assertion failure if nxdomain-redirect is used - Security Advisories
Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_19_20

Synology Inc.

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