Apple iOS up to 10.3.1 Kernel Memory information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apple iOS up to 10.3.1. The affected element is an unknown function of the component Kernel. The manipulation leads to information disclosure (Memory). This vulnerability is documented as CVE-2017-6987. The attack needs to be performed locally. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS up to 10.3.1 (Smartphone Operating System). This issue affects some unknown processing of the component Kernel. The manipulation with an unknown input leads to a information disclosure vulnerability (Memory). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The bug was discovered 05/10/2017. The weakness was released 05/15/2017 by Patrick Wardle (OSS-Fuzz) with Synack as HT207798 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2017-6987 since 03/17/2017. An attack has to be approached locally. Required for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue. The advisory points out:

A validation issue was addressed with improved input sanitization.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 100270 (macOS 10.12.x < 10.12.5 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370396 (Apple macOS Sierra Security Update 10.12.5, El Capitan 2017-002 and Yosemite 2017-002 Not Installed (2017-002)).

Upgrading to version 10.3.2 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 Tenable (100270) and SecurityFocus (BID 98468†). Entries connected to this vulnerability are available at VDB-101294, VDB-101254, VDB-101255 and VDB-101256. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Information disclosure / Memory
CWE: CWE-200 / 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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Nessus ID: 100270
Nessus Name: macOS 10.12.x < 10.12.5 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207797
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 10.3.2

Timelineinfo

03/17/2017 🔍
05/10/2017 +54 days 🔍
05/15/2017 +5 days 🔍
05/15/2017 +0 days 🔍
05/15/2017 +0 days 🔍
05/16/2017 +1 days 🔍
05/18/2017 +2 days 🔍
05/22/2017 +4 days 🔍
09/02/2024 +2660 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207798
Researcher: Patrick Wardle (OSS-Fuzz)
Organization: Synack
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-6987 (🔍)
GCVE (CVE): GCVE-0-2017-6987
GCVE (VulDB): GCVE-100-101261
SecurityFocus: 98468 - Apple iOS/WatchOS/tvOS/macOS Multiple Security Vulnerabilities
OSVDB: - CVE-2017-6987 - Apple - Multiple Products - Security Bypass Issue
SecurityTracker: 1038484

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

Entryinfo

Created: 05/16/2017 04:18
Updated: 09/02/2024 18:24
Changes: 05/16/2017 04:18 (72), 09/27/2020 07:34 (16), 12/23/2020 15:39 (3), 09/02/2024 18:24 (17)
Complete: 🔍
Cache ID: 216:3A8:103

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