Apple iOS up to 8.4.0 AppleFileConduit access control

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple iOS up to 8.4.0 and classified as problematic. This affects an unknown function of the component AppleFileConduit. The manipulation leads to access control. This vulnerability is traded as CVE-2015-5746. There is no exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Apple iOS up to 8.4.0 (Smartphone Operating System). It has been rated as problematic. This issue affects an unknown part of the component AppleFileConduit. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is availability. The summary by CVE is:

AppleFileConduit in Apple iOS before 8.4.1 allows attackers to bypass intended restrictions on filesystem access via an afc command that leverages symlink mishandling.

The weakness was shared 08/11/2015 by Cererdlong with Alibaba Mobile Security Team as HT205030 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2015-5746 since 08/06/2015. An attack has to be approached locally. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 8.4.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 76337†), SecurityTracker (ID 1033275†) and Vulnerability Center (SBV-51960†). The entries VDB-77102, VDB-77103, VDB-77104 and VDB-77105 are related to this item. 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: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
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: Patch
Status: 🔍

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

Upgrade: iOS 8.4.1

Timelineinfo

08/06/2015 🔍
08/11/2015 +5 days 🔍
08/11/2015 +0 days 🔍
08/13/2015 +2 days 🔍
08/13/2015 +0 days 🔍
08/14/2015 +1 days 🔍
08/14/2015 +0 days 🔍
08/16/2015 +2 days 🔍
08/16/2015 +0 days 🔍
10/14/2017 +790 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205030
Researcher: Cererdlong
Organization: Alibaba Mobile Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5746 (🔍)
GCVE (CVE): GCVE-0-2015-5746
GCVE (VulDB): GCVE-100-77129
SecurityFocus: 76337 - Apple iOS APPLE-SA-2015-08-13-3 Multiple Security Vulnerabilities
SecurityTracker: 1033275 - Apple iOS Multiple Flaws Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, and Deny Service and Let Apps Gain Elevated Privileges
Vulnerability Center: 51960 - Apple iOS <8.4.1 Remote Bypass Restrictions in AppleFileConduit, Medium

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

Entryinfo

Created: 08/14/2015 12:48
Updated: 10/14/2017 11:29
Changes: 08/14/2015 12:48 (60), 10/14/2017 11:29 (12)
Complete: 🔍
Cache ID: 216:045:103

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

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