Vulnerability Monitor

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CVE-2015-5470

The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.

Published

2015-11-02T19:59:09.530

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application powerdns authoritative ≤ 3.3.2 Yes
Application powerdns authoritative 3.4.0 Yes
Application powerdns authoritative 3.4.1 Yes
Application powerdns authoritative 3.4.2 Yes
Application powerdns authoritative 3.4.3 Yes
Application powerdns authoritative 3.4.4 Yes
Application powerdns recursor ≤ 3.6.3 Yes
Application powerdns recursor 3.7.1 Yes
Application powerdns recursor 3.7.2 Yes
References