Apple iOS up to 10.1.1 SpringBoard Lockscreen Bypass 7pk security

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple iOS up to 10.1.1 and classified as critical. Affected by this issue is some unknown functionality of the component SpringBoard. The manipulation leads to 7pk security (Lockscreen Bypass). This vulnerability is traded as CVE-2016-4781. An attack has to be approached locally. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS up to 10.1.1 (Smartphone Operating System). It has been rated as critical. This issue affects an unknown part of the component SpringBoard. The manipulation with an unknown input leads to a 7pk security vulnerability (Lockscreen Bypass). Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in certain Apple products. iOS before 10.2 is affected. The issue involves the "SpringBoard" component, which allows physically proximate attackers to bypass the passcode attempt counter and unlock a device via unspecified vectors.

The bug was discovered 12/13/2016. The weakness was shared 12/12/2016 by Miguel Alvarado with NCC Group as HT207422 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-4781 since 05/11/2016. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. 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 10/05/2022). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1211 according to MITRE ATT&CK. The advisory points out:

In some cases, a counter issue existed in the handling of passcode attempts when resetting the passcode. This was addressed through improved state management.

Upgrading to version 10.2 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 SecurityFocus (BID 94850†). The entries VDB-93760, VDB-94138, VDB-94129 and VDB-94130 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Lockscreen Bypass
Class: 7pk security / Lockscreen Bypass
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 10.2

Timelineinfo

05/11/2016 🔍
12/12/2016 +215 days 🔍
12/12/2016 +0 days 🔍
12/12/2016 +0 days 🔍
12/13/2016 +1 days 🔍
12/13/2016 +0 days 🔍
02/20/2017 +69 days 🔍
10/05/2022 +2053 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207422
Researcher: Miguel Alvarado
Organization: NCC Group
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4781 (🔍)
GCVE (CVE): GCVE-0-2016-4781
GCVE (VulDB): GCVE-100-94139
SecurityFocus: 94850 - Apple iOS APPLE-SA-2016-12-12-1 Multiple Security Vulnerabilities
SecurityTracker: 1037429

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

Entryinfo

Created: 12/13/2016 19:43
Updated: 10/05/2022 23:09
Changes: 12/13/2016 19:43 (68), 06/25/2019 09:16 (7), 10/05/2022 23:09 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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