A flaw was found in the way unbound before 1.6.8... · CVE-2017-15105 · GitHub Advisory Database · GitHub

A flaw was found in the way unbound before 1.6.8...

Moderate severity Unreviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

A flaw was found in the way unbound before 1.6.8 validated wildcard-synthesized NSEC records. An improperly validated wildcard NSEC record could be used to prove the non-existence (NXDOMAIN answer) of an existing wildcard record, or trick unbound into accepting a NODATA proof.

References

Published by the National Vulnerability Database

Jan 23, 2018

Published to the GitHub Advisory Database May 13, 2022

Last updated Feb 1, 2023

Severity

Moderate

5.3

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N