CVE-2014-4422

Severity: high (CVSS 8.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-09-18 · updated 2026-06-17
Weakness: CWE-310

Description

The kernel in Apple iOS before 8 and Apple TV before 7 uses a predictable random number generator during the early portion of the boot process, which allows attackers to bypass certain kernel-hardening protection mechanisms by using a user-space process to observe data related to the random numbers.

Affected products

Apple Iphone Os: through 7.1.2; 7.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5 (+3)
Apple tvOS: through 6.2; 6.0, 6.0.1, 6.0.2, 6.1, 6.1.1, 6.1.2

References

http://archives.neohapsis.com/archives/bugtraq/2014-09/0106.html
http://archives.neohapsis.com/archives/bugtraq/2014-09/0107.html
http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html
http://support.apple.com/kb/HT6441
http://support.apple.com/kb/HT6442
http://www.securityfocus.com/bid/69882
http://www.securityfocus.com/bid/69911
http://www.securitytracker.com/id/1030866
https://exchange.xforce.ibmcloud.com/vulnerabilities/96096
https://support.apple.com/kb/HT6535
http://archives.neohapsis.com/archives/bugtraq/2014-09/0106.html
http://archives.neohapsis.com/archives/bugtraq/2014-09/0107.html

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