medium
6.1
CWE
20
Advisory Published
Updated

CVE-2011-2391: Input Validation

First published: Thu Sep 19 2013(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Apple iOS and macOS<=10.9.5
Apple iTunes for Windows<=12.1
iStyle @cosme iPhone OS=6.1.2
iStyle @cosme iPhone OS=3.0
iStyle @cosme iPhone OS=3.2
iStyle @cosme iPhone OS=3.1.3
iStyle @cosme iPhone OS=1.0.2
iStyle @cosme iPhone OS=4.3.2
iStyle @cosme iPhone OS=4.0.2
iStyle @cosme iPhone OS<=6.1.4
iStyle @cosme iPhone OS=2.2
iStyle @cosme iPhone OS=1.1.1
iStyle @cosme iPhone OS=6.1.3
iStyle @cosme iPhone OS=5.1
iStyle @cosme iPhone OS=4.2.8
iStyle @cosme iPhone OS=6.0.2
iStyle @cosme iPhone OS=4.1
iStyle @cosme iPhone OS=2.0.0
iStyle @cosme iPhone OS=3.1.2
iStyle @cosme iPhone OS=3.0.1
iStyle @cosme iPhone OS=4.3.1
iStyle @cosme iPhone OS=4.2.5
iStyle @cosme iPhone OS=1.1.2
iStyle @cosme iPhone OS=3.1
iStyle @cosme iPhone OS=1.1.3
iStyle @cosme iPhone OS=1.1.0
iStyle @cosme iPhone OS=1.0.1
iStyle @cosme iPhone OS=2.1
iStyle @cosme iPhone OS=6.0
iStyle @cosme iPhone OS=4.3.5
iStyle @cosme iPhone OS=6.1
iStyle @cosme iPhone OS=4.2.1
iStyle @cosme iPhone OS=1.1.5
iStyle @cosme iPhone OS=4.0.1
iStyle @cosme iPhone OS=4.3.3
iStyle @cosme iPhone OS=5.0.1
iStyle @cosme iPhone OS=2.1.1
iStyle @cosme iPhone OS=1.1.4
iStyle @cosme iPhone OS=5.0
iStyle @cosme iPhone OS=1.0.0
iStyle @cosme iPhone OS=5.1.1
iStyle @cosme iPhone OS=2.0.2
iStyle @cosme iPhone OS=2.0
iStyle @cosme iPhone OS=2.0.1
iStyle @cosme iPhone OS=4.0
iStyle @cosme iPhone OS=4.3.0
iStyle @cosme iPhone OS=2.2.1
iStyle @cosme iPhone OS=3.2.1
iStyle @cosme iPhone OS=3.2.2
iStyle @cosme iPhone OS=6.0.1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-2391?

    CVE-2011-2391 has been classified with a medium severity rating due to its potential for denial of service via crafted ICMPv6 packets.

  • How do I fix CVE-2011-2391?

    To fix CVE-2011-2391, upgrade affected Apple devices to a version of iOS or macOS that includes the security patch released after the vulnerability was discovered.

  • What systems are affected by CVE-2011-2391?

    CVE-2011-2391 affects various versions of iOS prior to 7 and macOS up to version 10.9.5 among other Apple software.

  • What is the impact of CVE-2011-2391 on devices?

    The impact of CVE-2011-2391 is that attackers can utilize crafted ICMPv6 packets to consume CPU resources, leading to a denial of service.

  • Is there a workaround for CVE-2011-2391?

    There are no official workarounds for CVE-2011-2391; the recommended action is to update to the latest version of the software.

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