Apple iOS up to 5.1.1 Passcode Lock Screen access control

CVSS Meta Temp Score
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CTI Interest Score
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8.0$5k-$25k0.00

A vulnerability classified as critical has been found in Apple iOS up to 5.1.1 (Smartphone Operating System). This affects an unknown function of the component Passcode Lock Screen. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Passcode Lock implementation in Apple iOS before 6 does not properly manage the lock state, which allows physically proximate attackers to bypass an intended passcode requirement via unspecified vectors.

The weakness was presented 09/19/2012 by Ian Vitek with 2Secure AB as APPLE-SA-2012-09-19-1 as not defined posting (Website). It is possible to read the advisory at prod.lists.apple.com. This vulnerability is uniquely identified as CVE-2012-3740 since 06/19/2012. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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 (78711) and Tenable (62242). See 6213, 6151, 6186 and 6134 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 6.0
Alternative: Google Android

Timelineinfo

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 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2012-09-19-1
Researcher: Ian Vitek
Organization: 2Secure AB
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-3740 (🔍)
X-Force: 78711
Vulnerability Center: 47719 - Apple iOS <6 Passcode Lock Implementation Local Authentication bypass Vulnerability, Low
SecurityFocus: 56257 - Apple iPhone/iPad/iPod touch Prior to iOS 6 CVE-2012-3740 Security Bypass Vulnerability

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

Entryinfo

Created: 09/21/2012 13:45
Updated: 04/13/2021 11:23
Changes: 09/21/2012 13:45 (72), 06/16/2017 04:16 (2), 04/13/2021 11:23 (4)
Complete: 🔍

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