Uncontrolled Recursion Affecting unbound package, versions <1.10.1-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.09% (85th percentile)

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  • Snyk IDSNYK-DEBIAN12-UNBOUND-1561815
  • published19 May 2020
  • disclosed19 May 2020

Introduced: 19 May 2020

CVE-2020-12662  (opens in a new tab)
CWE-674  (opens in a new tab)

How to fix?

Upgrade Debian:12 unbound to version 1.10.1-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream unbound package and not the unbound package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.

CVSS Scores

version 3.1