Apple iOS up to 7.1.2 IPv6 Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.1$5k-$25k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apple iOS up to 7.1.2. The impacted element is an unknown function of the component IPv6 Packet Handler. This manipulation causes input validation. This vulnerability is handled as CVE-2011-2391. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apple iOS up to 7.1.2 (Smartphone Operating System). Affected by this vulnerability is some unknown processing of the component IPv6 Packet Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. The summary by CVE is:

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.

The weakness was released 09/17/2014 by Marc Heuse as HT6441 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2011-2391 since 06/05/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 02/20/2022). It is expected to see the exploit prices for this product increasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 70257 (Apple TV < 6.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 296021 (Oracle Solaris 10 Multiple Vulnerabilities (Third Party Bulletin - January 2018)).

Upgrading to version 8 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (87222), Tenable (70257), SecurityFocus (BID 62531†), OSVDB (97438†) and Secunia (SA54886†). Entries connected to this vulnerability are available at VDB-3814, VDB-5610, VDB-8303 and VDB-8559. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 70257
Nessus Name: Apple TV < 6.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 8

Timelineinfo

06/05/2011 🔍
09/18/2013 +836 days 🔍
09/19/2013 +1 days 🔍
09/19/2013 +0 days 🔍
10/01/2013 +12 days 🔍
09/17/2014 +351 days 🔍
09/17/2014 +0 days 🔍
09/22/2014 +5 days 🔍
02/20/2022 +2708 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6441
Researcher: Marc Heuse
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-2391 (🔍)
GCVE (CVE): GCVE-0-2011-2391
GCVE (VulDB): GCVE-100-67591
X-Force: 87222
SecurityFocus: 62531 - Apple iPhone/iPad/iPod touch Prior to iOS 7 CVE-2011-2391 Denial of Service Vulnerability
Secunia: 54886 - Apple iOS Multiple Vulnerabilities, Highly Critical
OSVDB: 97438
SecurityTracker: 1029054

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 09/22/2014 17:39
Updated: 02/20/2022 09:04
Changes: 09/22/2014 17:39 (74), 05/02/2019 18:47 (3), 02/20/2022 09:04 (3)
Complete: 🔍
Cache ID: 216:4BD:103

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