Apple iOS up to 5.1.1 IPSec Racoon Configuration File memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical has been found in Apple iOS up to 5.1.1 (Smartphone Operating System). This affects an unknown part of the component IPSec. The manipulation as part of a Racoon Configuration File leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the IPsec component in Apple iOS before 6 allows remote attackers to execute arbitrary code via a crafted racoon configuration file.

The weakness was published 09/19/2012 with iOS Jailbreak Dream Team as APPLE-SA-2012-09-19-1 as confirmed posting (Website). The advisory is shared at This vulnerability is uniquely identified as CVE-2012-3727 since 06/19/2012. The exploitability is told to be difficult. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

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 (78710) and Tenable (62242).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 9.3
VulDB Temp Score: 8.1
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Class: Memory corruption
CWE: CWE-119

Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

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Current Price Estimation: 🔍


Nessus ID: 62242
Nessus Name: Apple iOS < 6.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

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 🔍
09/20/2012 +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: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3727 (🔍)
X-Force: 78710 - Apple iOS IPSec CVE-2012-3727 code execution, High Risk
Vulnerability Center: 47733 - Apple iOS <6 IPsec Component Remote Code Execution Vulnerability via a Crafted 'racoon\x27 Configuration File, Medium
SecurityFocus: 56250 - Apple iPhone/iPad/iPod touch Prior to iOS 6 CVE-2012-3727 Buffer Overflow Vulnerability
Secunia: 50586 - Apple iOS Multiple Vulnerabilities, Highly Critical
OSVDB: 85630

scip Labs:


Created: 09/21/2012 01:45 PM
Updated: 04/13/2021 09:54 AM
Changes: 09/21/2012 01:45 PM (80), 06/16/2017 04:20 AM (2), 04/13/2021 09:54 AM (4)
Complete: 🔍
Cache ID: 34:607:40


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