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

Summaryinfo

A vulnerability was found in Apple iOS up to 5.1.1. It has been classified as problematic. This vulnerability affects unknown code of the component Passcode Lock Screen. This manipulation causes access control. This vulnerability is handled as CVE-2012-3738. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple iOS up to 5.1.1 (Smartphone Operating System). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Passcode Lock Screen. 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. The summary by CVE is:

The Emergency Dialer screen in the Passcode Lock implementation in Apple iOS before 6 does not properly limit the dialing methods, which allows physically proximate attackers to bypass intended access restrictions and make FaceTime calls through Voice Dialing, or obtain sensitive contact information by attempting to make a FaceTime call and reading the contact suggestions.

The weakness was released 09/19/2012 by Ade Barkah with BlueWax Inc. as APPLE-SA-2012-09-19-1 as not defined posting (Website). The advisory is shared at prod.lists.apple.com. This vulnerability is known as CVE-2012-3738 since 06/19/2012. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around 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.MITRE ATT&CK project uses the attack technique T1068 for this issue.

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 (78713), Tenable (62242), SecurityFocus (BID 56276†), OSVDB (85620†) and Vulnerability Center (SBV-47721†). Entries connected to this vulnerability are available at VDB-6213, VDB-6151, VDB-6186 and VDB-6134. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

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: Ade Barkah
Organization: BlueWax Inc.
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-3738 (🔍)
GCVE (CVE): GCVE-0-2012-3738
GCVE (VulDB): GCVE-100-6361
X-Force: 78713
SecurityFocus: 56276 - Apple iPhone/iPad/iPod touch Prior to iOS 6 CVE-2012-3738 Security Weakness
OSVDB: 85620
Vulnerability Center: 47721 - Apple iOS <6 Passcode Lock Implementation Local Security Restriction Bypass and Information Disclosure Vulnerability, Low

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

Entryinfo

Created: 09/21/2012 13:45
Updated: 04/13/2021 11:12
Changes: 09/21/2012 13:45 (73), 06/16/2017 04:17 (2), 04/13/2021 11:12 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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