CVE-2014-4371

The network-statistics interface in the kernel in Apple iOS before 8 and Apple TV before 7 does not properly initialize memory, which allows attackers to obtain sensitive memory-content and memory-layout information via a crafted application, a different vulnerability than CVE-2014-4419, CVE-2014-4420, and CVE-2014-4421.

Weakness

The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.

Affected Software

Potential Mitigations

• Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
• For example, in Java, if the programmer does not explicitly initialize a variable, then the code could produce a compile-time error (if the variable is local) or automatically initialize the variable to the default value for the variable’s type. In Perl, if explicit initialization is not performed, then a default value of undef is assigned, which is interpreted as 0, false, or an equivalent value depending on the context in which the variable is accessed.

Related Attack Patterns

• https://cwe.mitre.org/data/definitions/26.html
• https://cwe.mitre.org/data/definitions/29.html

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://lists.apple.com/archives/security-announce/2015/Jan/msg00003.html
• http://support.apple.com/HT204244
• http://support.apple.com/kb/HT6441
• http://support.apple.com/kb/HT6442
• http://www.securityfocus.com/bid/69882
• http://www.securityfocus.com/bid/69919
• http://www.securitytracker.com/id/1030866
• https://exchange.xforce.ibmcloud.com/vulnerabilities/96100
• https://support.apple.com/kb/HT6535