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Sid 1-46991

Message

OS-OTHER Apple macOS and iOS fgetattrlist kernel heap overflow attempt

Summary

This event is generated when an attacker attempts to exploit a heap overflow vulnerability present in macOS and iOS.

Impact

Attempted Administrator Privilege Gain

CVE-2018-4243:

CVSS base score 7.8

CVSS impact score 5.9

CVSS exploitability score 1.8

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Detailed information

Rule checks for attempts to exploit a heap overflow vulnerability present in macOS and iOS. CVE-2018-4243: An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves the "Kernel" component. A buffer overflow in getvolattrlist allows attackers to execute arbitrary code in a privileged context via a crafted app.

Affected systems

  • apple apple_tv 1.0.0
  • apple apple_tv 1.1.0
  • apple apple_tv 2.0.0
  • apple apple_tv 2.0.1
  • apple apple_tv 2.0.2
  • apple apple_tv 2.1.0
  • apple apple_tv 2.2.0
  • apple apple_tv 2.3.0
  • apple apple_tv 2.3.1
  • apple apple_tv 2.4.0
  • apple apple_tv 3.0.0
  • apple apple_tv 3.0.1
  • apple apple_tv 3.0.2
  • apple apple_tv 4.1.0
  • apple apple_tv 4.1.1
  • apple apple_tv 4.2.0
  • apple apple_tv 4.2.1
  • apple apple_tv 4.2.2
  • apple apple_tv 4.3.0
  • apple apple_tv 4.4.0
  • apple apple_tv 4.4.2
  • apple apple_tv 4.4.3
  • apple apple_tv 4.4.4
  • apple apple_tv 5.0.0
  • apple apple_tv 5.0.1
  • apple apple_tv 5.0.2
  • apple apple_tv 5.1.0
  • apple apple_tv 5.1.1
  • apple apple_tv 5.2.0
  • apple apple_tv 6.0
  • apple apple_tv 6.0.1
  • apple apple_tv 6.0.2
  • apple apple_tv 6.1
  • apple apple_tv 6.1.1
  • apple apple_tv 6.1.2
  • apple apple_tv 6.2
  • apple apple_tv 6.2.1
  • apple apple_tv 7.0
  • apple apple_tv 7.0.1
  • apple apple_tv 7.0.3
  • apple apple_tv 7.1
  • apple apple_tv 9.0.1
  • apple apple_tv 9.1.1
  • apple apple_tv 10.0
  • apple apple_tv 10.0.1
  • apple apple_tv 10.1
  • apple apple_tv 10.1.1
  • apple apple_tv 10.2
  • apple apple_tv 10.2.1
  • apple apple_tv 10.2.2
  • apple apple_tv 11
  • apple apple_tv 11.0
  • apple apple_tv 11.1
  • apple apple_tv 11.2
  • apple apple_tv 11.2.1
  • apple apple_tv 11.2.6
  • apple apple_tv 11.3
  • apple iphone_os 1.0.0
  • apple iphone_os 1.0.1
  • apple iphone_os 1.0.2
  • apple iphone_os 1.1.0
  • apple iphone_os 1.1.1
  • apple iphone_os 1.1.2
  • apple iphone_os 1.1.3
  • apple iphone_os 1.1.4
  • apple iphone_os 1.1.5
  • apple iphone_os 2.0
  • apple iphone_os 2.0.0
  • apple iphone_os 2.0.1
  • apple iphone_os 2.0.2
  • apple iphone_os 2.1
  • apple iphone_os 2.1.1
  • apple iphone_os 2.2
  • apple iphone_os 2.2.1
  • apple iphone_os 3.0
  • apple iphone_os 3.0.1
  • apple iphone_os 3.1
  • apple iphone_os 3.1.1
  • apple iphone_os 3.1.2
  • apple iphone_os 3.1.3
  • apple iphone_os 3.2
  • apple iphone_os 3.2.1
  • apple iphone_os 3.2.2
  • apple iphone_os 4.0
  • apple iphone_os 4.0.1
  • apple iphone_os 4.0.2
  • apple iphone_os 4.1
  • apple iphone_os 4.2.1
  • apple iphone_os 4.2.5
  • apple iphone_os 4.2.8
  • apple iphone_os 4.3.0
  • apple iphone_os 4.3.1
  • apple iphone_os 4.3.2
  • apple iphone_os 4.3.3
  • apple iphone_os 4.3.5
  • apple iphone_os 5.0
  • apple iphone_os 5.0.1
  • apple iphone_os 5.1
  • apple iphone_os 5.1.1
  • apple iphone_os 6.0
  • apple iphone_os 6.0.1
  • apple iphone_os 6.0.2
  • apple iphone_os 6.1
  • apple iphone_os 6.1.2
  • apple iphone_os 6.1.3
  • apple iphone_os 6.1.4
  • apple iphone_os 6.1.5
  • apple iphone_os 6.1.6
  • apple iphone_os 7.0
  • apple iphone_os 7.0.1
  • apple iphone_os 7.0.2
  • apple iphone_os 7.0.3
  • apple iphone_os 7.0.4
  • apple iphone_os 7.0.5
  • apple iphone_os 7.0.6
  • apple iphone_os 7.1
  • apple iphone_os 7.1.1
  • apple iphone_os 7.1.2
  • apple iphone_os 8.0
  • apple iphone_os 8.0.1
  • apple iphone_os 8.0.2
  • apple iphone_os 8.1
  • apple iphone_os 8.1.2
  • apple iphone_os 8.1.3
  • apple iphone_os 8.2
  • apple iphone_os 8.3
  • apple iphone_os 8.4.1
  • apple iphone_os 9.0
  • apple iphone_os 9.0.1
  • apple iphone_os 9.0.2
  • apple iphone_os 9.1
  • apple iphone_os 9.2
  • apple iphone_os 9.2.1
  • apple iphone_os 9.3
  • apple iphone_os 9.3.1
  • apple iphone_os 9.3.2
  • apple iphone_os 9.3.3
  • apple iphone_os 9.3.4
  • apple iphone_os 9.3.5
  • apple iphone_os 10.0
  • apple iphone_os 10.0.1
  • apple iphone_os 10.0.2
  • apple iphone_os 10.0.3
  • apple iphone_os 10.1
  • apple iphone_os 10.1.1
  • apple iphone_os 10.2
  • apple iphone_os 10.2.1
  • apple iphone_os 10.3
  • apple iphone_os 10.3.1
  • apple iphone_os 10.3.2
  • apple iphone_os 10.3.3
  • apple iphone_os 11
  • apple iphone_os 11.0
  • apple iphone_os 11.0.1
  • apple iphone_os 11.0.2
  • apple iphone_os 11.0.3
  • apple iphone_os 11.1
  • apple iphone_os 11.1.1
  • apple iphone_os 11.1.2
  • apple iphone_os 11.2
  • apple iphone_os 11.2.1
  • apple iphone_os 11.2.2
  • apple iphone_os 11.2.5
  • apple iphone_os 11.2.6
  • apple iphone_os 11.3
  • apple iphone_os 11.3.1
  • apple macosx -
  • apple macosx 10.0
  • apple macosx 10.0.0
  • apple macosx 10.0.1
  • apple macosx 10.0.2
  • apple macosx 10.0.3
  • apple macosx 10.0.4
  • apple macosx 10.1
  • apple macosx 10.1.0
  • apple macosx 10.1.1
  • apple macosx 10.1.2
  • apple macosx 10.1.3
  • apple macosx 10.1.4
  • apple macosx 10.1.5
  • apple macosx 10.2
  • apple macosx 10.2.0
  • apple macosx 10.2.1
  • apple macosx 10.2.2
  • apple macosx 10.2.3
  • apple macosx 10.2.4
  • apple macosx 10.2.5
  • apple macosx 10.2.6
  • apple macosx 10.2.7
  • apple macosx 10.2.8
  • apple macosx 10.3
  • apple macosx 10.3.0
  • apple macosx 10.3.1
  • apple macosx 10.3.2
  • apple macosx 10.3.3
  • apple macosx 10.3.4
  • apple macosx 10.3.5
  • apple macosx 10.3.6
  • apple macosx 10.3.7
  • apple macosx 10.3.8
  • apple macosx 10.3.9
  • apple macosx 10.4
  • apple macosx 10.4.0
  • apple macosx 10.4.1
  • apple macosx 10.4.2
  • apple macosx 10.4.3
  • apple macosx 10.4.4
  • apple macosx 10.4.5
  • apple macosx 10.4.6
  • apple macosx 10.4.7
  • apple macosx 10.4.8
  • apple macosx 10.4.9
  • apple macosx 10.4.10
  • apple macosx 10.4.11
  • apple macosx 10.5
  • apple macosx 10.5.0
  • apple macosx 10.5.1
  • apple macosx 10.5.2
  • apple macosx 10.5.3
  • apple macosx 10.5.4
  • apple macosx 10.5.5
  • apple macosx 10.5.6
  • apple macosx 10.5.7
  • apple macosx 10.5.8
  • apple macosx 10.6.0
  • apple macosx 10.6.1
  • apple macosx 10.6.2
  • apple macosx 10.6.3
  • apple macosx 10.6.4
  • apple macosx 10.6.5
  • apple macosx 10.6.6
  • apple macosx 10.6.7
  • apple macosx 10.6.8
  • apple macosx 10.7.0
  • apple macosx 10.7.1
  • apple macosx 10.7.2
  • apple macosx 10.7.3
  • apple macosx 10.7.4
  • apple macosx 10.7.5
  • apple macosx 10.8.0
  • apple macosx 10.8.1
  • apple macosx 10.8.2
  • apple macosx 10.8.3
  • apple macosx 10.8.4
  • apple macosx 10.8.5
  • apple macosx 10.9
  • apple macosx 10.9.1
  • apple macosx 10.9.2
  • apple macosx 10.9.3
  • apple macosx 10.9.4
  • apple macosx 10.9.5
  • apple macosx 10.10.0
  • apple macosx 10.10.1
  • apple macosx 10.10.2
  • apple macosx 10.10.3
  • apple macosx 10.10.4
  • apple macosx 10.10.5
  • apple macosx 10.11.0
  • apple macosx 10.11.1
  • apple macosx 10.11.2
  • apple macosx 10.11.3
  • apple macosx 10.11.4
  • apple macosx 10.11.5
  • apple macosx 10.11.6
  • apple macosx 10.12.0
  • apple macosx 10.12.1
  • apple macosx 10.12.2
  • apple macosx 10.12.3
  • apple macosx 10.12.4
  • apple macosx 10.12.5
  • apple macosx 10.12.6
  • apple macosx 10.13
  • apple macosx 10.13.0
  • apple macosx 10.13.1
  • apple macosx 10.13.2
  • apple macosx 10.13.3
  • apple macosx 10.13.4
  • apple watchos 1.0
  • apple watchos 1.0.1
  • apple watchos 2.0
  • apple watchos 2.0.1
  • apple watchos 2.1
  • apple watchos 2.2
  • apple watchos 2.2.0
  • apple watchos 2.2.1
  • apple watchos 2.2.2
  • apple watchos 3.0
  • apple watchos 3.1
  • apple watchos 3.1.1
  • apple watchos 3.1.3
  • apple watchos 3.2
  • apple watchos 3.2.2
  • apple watchos 3.2.3
  • apple watchos 4
  • apple watchos 4.0
  • apple watchos 4.0.1
  • apple watchos 4.1
  • apple watchos 4.2.3
  • apple watchos 4.3

Ease of attack

CVE-2018-4243:

Access Vector

Access Complexity

Authentication

False positives

Not known

False negatives

Not known

Corrective action

Contributors

  • Cisco's Talos Intelligence Group

Additional References