Apple iOS up to 8.0 Passcode access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

A vulnerability was found in Apple iOS up to 8.0 (Smartphone Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Passcode 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 integrity. The summary by CVE is:

Apple iOS before 8.1.1 does not properly enforce the failed-passcode limit, which makes it easier for physically proximate attackers to bypass the lock-screen protection mechanism via a series of guesses.

The weakness was disclosed 11/17/2014 by Stuart Ryan with University of Technology, Sydney as HT6590 as confirmed advisory (Website). It is possible to read the advisory at lists.apple.com. This vulnerability is known as CVE-2014-4451 since 06/20/2014. The exploitation appears to be easy. Attacking locally is a requirement. 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 $0-$5k at the moment (estimation calculated on 02/25/2022). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK. Due to its background and reception, this vulnerability has a historic impact.

Upgrading to version 8.1.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (98776). The entries 68223, 68224, 68225 and 68226 are pretty similar.

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CPE 2.3info

CPE 2.2info

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CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.5

VulDB Base Score: 4.0
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 8.1.1

Timelineinfo

06/20/2014 🔍
11/17/2014 +150 days 🔍
11/17/2014 +0 days 🔍
11/17/2014 +0 days 🔍
11/17/2014 +0 days 🔍
11/18/2014 +1 days 🔍
11/18/2014 +0 days 🔍
11/18/2014 +0 days 🔍
11/19/2014 +1 days 🔍
02/25/2022 +2655 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6590
Researcher: Stuart Ryan
Organization: University of Technology, Sydney
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4451 (🔍)
X-Force: 98776 - Apple iOS passcode attempt limit security bypass, Low Risk
SecurityTracker: 1031232
Vulnerability Center: 47124 - Apple iOS Prior to 8.1.1 Local Host Privilege via Brute Force - CVE-2014-4451, High
SecurityFocus: 71138 - Apple iOS Lock Screen CVE-2014-4451 Security Bypass Vulnerability
Secunia: 62504 - Apple iOS Multiple Vulnerabilities, Highly Critical

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

Entryinfo

Created: 11/19/2014 10:57
Updated: 02/25/2022 01:29
Changes: 11/19/2014 10:57 (74), 06/12/2017 08:24 (3), 02/25/2022 01:29 (3)
Complete: 🔍
Cache ID: 3:0D7:103

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