Resource Management Errors

Affecting unbound package, versions <1.4.14-1

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NVD Description

Note: Versions mentioned in the description apply to the upstream unbound package. See Remediation section below for Debian:10 relevant versions.

validator/val_nsec3.c in Unbound before 1.4.13p2 does not properly perform proof processing for NSEC3-signed zones, which allows remote DNS servers to cause a denial of service (daemon crash) via a malformed response that lacks expected NSEC3 records, a different vulnerability than CVE-2011-4528.

Remediation

Upgrade Debian:10 unbound to version 1.4.14-1 or higher.

References

CVSS Score

7.5
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2011-4869
CWE
CWE-399
Snyk ID
SNYK-DEBIAN10-UNBOUND-320304
Disclosed
20 Dec, 2011
Published
20 Dec, 2011