Vulnerability Monitor

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CVE-2009-3602

Unbound before 1.3.4 does not properly verify signatures for NSEC3 records, which allows remote attackers to cause secure delegations to be downgraded via DNS spoofing or other DNS-related attacks in conjunction with crafted delegation responses.

Published

2009-10-13T10:30:00.657

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-310
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application nlnetlabs unbound ≤ 1.3.3 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
References