CVE-2011-3259

Description

The kernel in Apple iOS before 5 and Apple TV before 4.4 does not properly recover memory allocated for incomplete TCP connections, which allows remote attackers to cause a denial of service (resource consumption) by making many connection attempts.

Affected products

• Apple / Apple TV4.0 – 4.0
• Apple / Apple TV4.1 – 4.1
• Apple / Apple TV4.2 – 4.2
• Apple / Apple TV4.3 – 4.3
• Apple / iphone_os3.0 – 3.0
• Apple / iphone_os3.1 – 3.1
• Apple / iphone_os3.1 – 3.1
• Apple / iphone_os3.1 – 3.1
• Apple / iphone_os3.1.2 – 3.1.2
• Apple / iphone_os3.1.3 – 3.1.3
• Apple / iphone_os3.2 – 3.2
• Apple / iphone_os3.2 – 3.2
• Apple / iphone_os3.2.1 – 3.2.1
• Apple / iphone_os3.2.1 – 3.2.1
• Apple / iphone_os3.2.2 – 3.2.2
• Apple / iphone_os4.0 – 4.0
• Apple / iphone_os4.0 – 4.0
• Apple / iphone_os4.0 – 4.0
• Apple / iphone_os4.0.1 – 4.0.1
• Apple / iphone_os4.0.1 – 4.0.1
• Apple / iphone_os4.0.1 – 4.0.1
• Apple / iphone_os4.0.2 – 4.0.2
• Apple / iphone_os4.1 – 4.1
• Apple / iphone_os4.2.1 – 4.2.1
• Apple / iphone_os4.2.5 – 4.2.5
• Apple / iphone_os4.2.8 – 4.2.8
• Apple / iphone_os4.3.0 – 4.3.0
• Apple / iphone_os4.3.1 – 4.3.1
• Apple / iphone_os4.3.2 – 4.3.2
• Apple / iphone_os4.3.3 – 4.3.3
• Apple / iphone_os4.3.5 – 4.3.5
• Apple / iphone_os4.3.5 – 4.3.5
• Apple / iphone_os4.3.5 – 4.3.5

References

• MISChttps://exchange.xforce.ibmcloud.com/vulnerabilities/70530
• MAILING_LISThttp://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
• VENDOR_ADVISORYhttp://support.apple.com/kb/HT4999
• VENDOR_ADVISORYhttp://support.apple.com/kb/HT5001
• MISChttp://www.securityfocus.com/bid/50087
• MAILING_LISThttp://lists.apple.com/archives/Security-announce/2011//Oct/msg00002.html