Vulnerability Monitor

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CVE-2017-7521

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension().

Published

2017-06-27T13:29:00.240

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.9 (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: Secondary
    CWE-400
  • Type: Primary
    CWE-415
    CWE-772
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openvpn openvpn ≤ 2.3.16 Yes
Application openvpn openvpn 2.4.0 Yes
Application openvpn openvpn 2.4.0 Yes
Application openvpn openvpn 2.4.0 Yes
Application openvpn openvpn 2.4.0 Yes
Application openvpn openvpn 2.4.0 Yes
Application openvpn openvpn 2.4.0 Yes
Application openvpn openvpn 2.4.1 Yes
Application openvpn openvpn 2.4.2 Yes
References