Vulnerability Monitor

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CVE-2011-0228

The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the basicConstraints parameter during validation of X.509 certificate chains, which allows man-in-the-middle attackers to spoof an SSL server by using a non-CA certificate to sign a certificate for an arbitrary domain.

Published

2011-08-29T20:55:00.753

Last Modified

2025-04-11T00:51:21.963

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-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System apple iphone_os ≤ 4.2.9 Yes
Operating System apple iphone_os 1.0.0 Yes
Operating System apple iphone_os 1.0.1 Yes
Operating System apple iphone_os 1.0.2 Yes
Operating System apple iphone_os 1.1.0 Yes
Operating System apple iphone_os 1.1.1 Yes
Operating System apple iphone_os 1.1.2 Yes
Operating System apple iphone_os 1.1.3 Yes
Operating System apple iphone_os 1.1.4 Yes
Operating System apple iphone_os 1.1.5 Yes
Operating System apple iphone_os 2.0 Yes
Operating System apple iphone_os 2.0.0 Yes
Operating System apple iphone_os 2.0.1 Yes
Operating System apple iphone_os 2.0.2 Yes
Operating System apple iphone_os 2.1 Yes
Operating System apple iphone_os 2.1.1 Yes
Operating System apple iphone_os 2.2 Yes
Operating System apple iphone_os 2.2.1 Yes
Operating System apple iphone_os 3.0 Yes
Operating System apple iphone_os 3.0.1 Yes
Operating System apple iphone_os 3.1 Yes
Operating System apple iphone_os 3.1.2 Yes
Operating System apple iphone_os 3.1.3 Yes
Operating System apple iphone_os 3.2 Yes
Operating System apple iphone_os 3.2.1 Yes
Operating System apple iphone_os 3.2.2 Yes
Operating System apple iphone_os 4.0 Yes
Operating System apple iphone_os 4.0.1 Yes
Operating System apple iphone_os 4.0.2 Yes
Operating System apple iphone_os 4.1 Yes
Operating System apple iphone_os 4.2.1 Yes
Operating System apple iphone_os 4.2.5 Yes
Operating System apple iphone_os 4.2.8 Yes
Operating System apple iphone_os 4.3.0 Yes
Operating System apple iphone_os 4.3.1 Yes
Operating System apple iphone_os 4.3.2 Yes
Operating System apple iphone_os 4.3.3 Yes
Operating System apple iphone_os 4.3.4 Yes
References