First published: Thu Sep 18 2014(Updated: )
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-2014-4371, CVE-2014-4419, and CVE-2014-4420.
Credit: product-security@apple.com
Affected Software | Affected Version | How to fix |
---|---|---|
macOS Yosemite | <=10.10.1 | |
Apple iPhone OS | <=7.1.2 | |
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 | |
tvOS | <=6.2 | |
tvOS | =6.0 | |
tvOS | =6.0.1 | |
tvOS | =6.0.2 | |
tvOS | =6.1 | |
tvOS | =6.1.1 | |
tvOS | =6.1.2 |
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CVE-2014-4421 has been classified as a high severity vulnerability due to its ability to expose sensitive memory content.
To fix CVE-2014-4421, users should upgrade their affected devices to a version of iOS or TVOS that is 8 or later for iOS and 7 or later for tvOS.
CVE-2014-4421 affects several Apple devices, including iPhones running iOS versions prior to 8 and Apple TVs running tvOS versions prior to 7.
CVE-2014-4421 requires local access through a crafted application, so it is not inherently a remote exploit.
The impact of CVE-2014-4421 includes the potential for attackers to access sensitive memory content, which can lead to unauthorized data exposure.