CVE-2011-2391 Denial of service in n/a

Medium 6.1 Published Updated

Remote attackers can cause a denial of service via crafted ICMPv6 packets in the iOS kernel, requiring an OS upgrade.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2011-2391?

CVE-2011-2391 is a medium-severity denial of service vulnerability in Apple Iphone Os, published on 19 Sep 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The IPv6 implementation in the kernel in Apple iOS before 7 allows remote attackers to cause a denial of service (CPU consumption) via crafted ICMPv6 packets.

Weakness: CWE-20

Which versions are affected by CVE-2011-2391?

It affects 3 products.

Products include Apple Iphone Os, Apple Itunes, Apple Mac Os X.

How do I fix CVE-2011-2391?

No fix has been published for CVE-2011-2391 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2011-2391 being exploited?

There is no known exploitation of CVE-2011-2391 in the wild and no public exploit code.

All Apple Iphone Os vulnerabilities

Sources

Also known as GHSA-wcjw-xjfg-7pww.

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