Vulnerability Monitor

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CVE-2009-4008

Unbound before 1.4.4 does not send responses for signed zones after mishandling an unspecified query, which allows remote attackers to cause a denial of service (DNSSEC outage) via a crafted query.

Published

2011-06-02T20:55:01.763

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application nlnetlabs unbound ≤ 1.4.3 Yes
Application nlnetlabs unbound 0.0 Yes
Application nlnetlabs unbound 0.1 Yes
Application nlnetlabs unbound 0.2 Yes
Application nlnetlabs unbound 0.3 Yes
Application nlnetlabs unbound 0.4 Yes
Application nlnetlabs unbound 0.5 Yes
Application nlnetlabs unbound 0.6 Yes
Application nlnetlabs unbound 0.7 Yes
Application nlnetlabs unbound 0.7.1 Yes
Application nlnetlabs unbound 0.7.2 Yes
Application nlnetlabs unbound 0.8 Yes
Application nlnetlabs unbound 0.09 Yes
Application nlnetlabs unbound 0.10 Yes
Application nlnetlabs unbound 0.11 Yes
Application nlnetlabs unbound 1.0.0 Yes
Application nlnetlabs unbound 1.0.1 Yes
Application nlnetlabs unbound 1.0.2 Yes
Application nlnetlabs unbound 1.1.0 Yes
Application nlnetlabs unbound 1.1.1 Yes
Application nlnetlabs unbound 1.2.0 Yes
Application nlnetlabs unbound 1.2.1 Yes
Application nlnetlabs unbound 1.3.0 Yes
Application nlnetlabs unbound 1.3.1 Yes
Application nlnetlabs unbound 1.3.2 Yes
Application nlnetlabs unbound 1.3.3 Yes
Application nlnetlabs unbound 1.3.4 Yes
Application nlnetlabs unbound 1.4.0 Yes
Application nlnetlabs unbound 1.4.1 Yes
Application nlnetlabs unbound 1.4.2 Yes
References