Apple iOS up to 8.4.1 SpringBoard App access control

CVSS Meta Temp Score
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CTI Interest Score
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5.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 8.4.1. It has been classified as problematic. This vulnerability affects unknown code of the component SpringBoard. Performing a manipulation results in access control (App). This vulnerability is reported as CVE-2015-5838. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple iOS up to 8.4.1 (Smartphone Operating System). This affects an unknown code block of the component SpringBoard. The manipulation with an unknown input leads to a access control vulnerability (App). CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

SpringBoard in Apple iOS before 9 does not properly restrict access to privileged API calls, which allows attackers to spoof the dialog windows of an arbitrary app via a crafted app.

The weakness was disclosed 09/16/2015 by Min (Spark) Zheng, Hui Xue, Tao (Lenx) Wei and John C.S. Lui as HT205212 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2015-5838 since 08/06/2015. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 06/16/2022). 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.

Upgrading to version 9 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 76764†) and Vulnerability Center (SBV-52799†). The entries VDB-9015, VDB-68413, VDB-77828 and VDB-77762 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Name: App
Class: Access control / App
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 9

Timelineinfo

08/06/2015 🔍
09/16/2015 +41 days 🔍
09/16/2015 +0 days 🔍
09/16/2015 +0 days 🔍
09/17/2015 +1 days 🔍
09/18/2015 +1 days 🔍
09/18/2015 +0 days 🔍
06/16/2022 +2463 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205212
Researcher: Min (Spark) Zheng, Hui Xue, Tao (Lenx) Wei, John C.S. Lui
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5838 (🔍)
GCVE (CVE): GCVE-0-2015-5838
GCVE (VulDB): GCVE-100-77817
SecurityFocus: 76764
SecurityTracker: 1033609
Vulnerability Center: 52799 - Apple iOS <9 Remote Spoofing Vulnerability in SpringBoard - CVE-2015-5838, Medium

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

Entryinfo

Created: 09/18/2015 13:09
Updated: 06/16/2022 09:38
Changes: 09/18/2015 13:09 (58), 01/02/2018 09:55 (8), 06/16/2022 09:38 (3)
Complete: 🔍
Cache ID: 216:346:103

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

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