Apple iOS up to 5.1.1 Kernel ioctls access control

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CTI Interest Score
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A vulnerability classified as critical was found in Apple iOS up to 5.1.1 (Smartphone Operating System). This vulnerability affects an unknown code of the component Kernel ioctls Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The kernel in Apple iOS before 6 dereferences invalid pointers during the handling of packet-filter data structures, which allows local users to gain privileges via a crafted program that makes packet-filter ioctl calls.

The weakness was released 09/19/2012 with iOS Jailbreak Dream Team as APPLE-SA-2012-09-19-1 as not defined posting (Website). The advisory is available at This vulnerability was named CVE-2012-3728 since 06/19/2012. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/13/2021). It is expected to see the exploit prices for this product increasing in the near future.This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 62242 (Apple iOS < 6.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mobile Devices.

Upgrading to version 6.0 eliminates this vulnerability. The problem might be mitigated by replacing the product with Google Android as an alternative. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (78707), Tenable (62242), SecurityFocus (BID 56255†), OSVDB (85629†) and Vulnerability Center (SBV-47732†).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
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Class: Access control
CWE: CWE-264

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍


Nessus ID: 62242
Nessus Name: Apple iOS < 6.0 Multiple Vulnerabilities
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 6.0
Alternative: Google Android


06/19/2012 🔍
09/19/2012 +92 days 🔍
09/19/2012 +0 days 🔍
09/19/2012 +0 days 🔍
09/19/2012 +0 days 🔍
09/20/2012 +0 days 🔍
09/21/2012 +1 days 🔍
12/21/2014 +821 days 🔍
04/13/2021 +2305 days 🔍



Advisory: APPLE-SA-2012-09-19-1
Organization: iOS Jailbreak Dream Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-3728 (🔍)
X-Force: 78707
SecurityFocus: 56255 - Apple iPhone/iPad/iPod touch Prior to iOS 6 CVE-2012-3728 Local Privilege Escalation Vulnerability
OSVDB: 85629
Vulnerability Center: 47732 - Apple iOS <6 Kernel Local Privilege Escalation Vulnerability via a Crafted Program that Makes Packet-Filter 'ioctl\x27 Call, Medium

scip Labs:


Created: 09/21/2012 01:45 PM
Updated: 04/13/2021 09:59 AM
Changes: 09/21/2012 01:45 PM (72), 06/16/2017 04:20 AM (2), 04/13/2021 09:59 AM (4)
Complete: 🔍
Cache ID: 3:985:40


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