Vulnerability Monitor

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CVE-2011-1922

daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling.

Published

2011-05-31T20:55:03.530

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

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

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

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
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
Application nlnetlabs unbound 1.4.3 Yes
Application nlnetlabs unbound 1.4.4 Yes
Application nlnetlabs unbound 1.4.5 Yes
Application nlnetlabs unbound 1.4.6 Yes
Application nlnetlabs unbound 1.4.7 Yes
Application nlnetlabs unbound 1.4.8 Yes
Application nlnetlabs unbound 1.4.9 Yes
References