CVE-2019-6468 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Isc	Bind	9.10.5

Related Weaknesses (CWE)

CWE-617

References

https://kb.isc.org/docs/cve-2019-6468Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_19_20
https://kb.isc.org/docs/cve-2019-6468Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_19_20

FAQ

What is CVE-2019-6468?

CVE-2019-6468 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 n...

How severe is CVE-2019-6468?

CVE-2019-6468 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-6468?

Check the references section above for vendor advisories and patch information. Affected products include: Isc Bind.