Vulnerability Monitor

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CVE-2013-7440


The ssl.match_hostname function in CPython (aka Python) before 2.7.9 and 3.x before 3.3.3 does not properly handle wildcards in hostnames, which might allow man-in-the-middle attackers to spoof servers via a crafted certificate.


Published

2016-06-07T18:59:00.120

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 5.9 (MEDIUM)

CVSSv2 Vector

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

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

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-19

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application python python ≤ 2.7.8 Yes
Application python python 3.0 Yes
Application python python 3.0.1 Yes
Application python python 3.1 Yes
Application python python 3.1.1 Yes
Application python python 3.1.2 Yes
Application python python 3.1.3 Yes
Application python python 3.1.4 Yes
Application python python 3.1.5 Yes
Application python python 3.1.2150 Yes
Application python python 3.2 Yes
Application python python 3.2 Yes
Application python python 3.2.0 Yes
Application python python 3.2.1 Yes
Application python python 3.2.2 Yes
Application python python 3.2.3 Yes
Application python python 3.2.4 Yes
Application python python 3.2.5 Yes
Application python python 3.2.6 Yes
Application python python 3.2.2150 Yes
Application python python 3.3 Yes
Application python python 3.3 Yes
Application python python 3.3.0 Yes
Application python python 3.3.1 Yes
Application python python 3.3.1 Yes
Application python python 3.3.2 Yes

References