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CVE-2020-10772 Details

Description

An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared to versions of Unbound that shipped before the mentioned erratum. This issue is about the incomplete fix for CVE-2020-12662, and it does not affect upstream versions of Unbound.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=1846026 CVEIssue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1846026 [email protected]Issue TrackingThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]
CWE-406Insufficient Control of Network Message Volume (Network Amplification)[email protected]

Affected Products

ProductVersions
nlnetlabs unbound
1.6.6-5

CPE

  • cpe:2.3:a:nlnetlabs:unbound:1.6.6-5:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
redhat enterprise linux
7.0

CPE

  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-10772
NVD Published Date:
Nov 27, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-10772 Details - Not Deferred