Apple macOS up to 10.13.2 IOKit input validation

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple macOS up to 10.13.2. This issue affects some unknown processing of the component IOKit. The manipulation results in input validation. This vulnerability is known as CVE-2017-13848. Attacking locally is a requirement. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.13.2 (Operating System). It has been classified as critical. Affected is an unknown part of the component IOKit. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in certain Apple products. macOS before 10.13.2 is affected. The issue involves the "IOKit" component. It allows attackers to execute arbitrary code in a privileged context via a crafted app.

The bug was discovered 12/02/2017. The weakness was published 12/06/2017 by Alex Plaskett with MWR InfoSecurity as HT208331 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2017-13848 since 08/30/2017. The attack needs to be approached locally. A authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

An input validation issue existed in the kernel. This issue was addressed through improved input validation.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 105080 (macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)), 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 370677 (Apple macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan Not Installed).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105080) and SecurityFocus (BID 102099†). Similar entries are available at VDB-106777, VDB-107566, VDB-108975 and VDB-109077. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 105080
Nessus Name: macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801863
OpenVAS Name: Apple MacOSX Security Updates(HT208331)-04
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

08/30/2017 🔍
12/02/2017 +94 days 🔍
12/06/2017 +4 days 🔍
12/06/2017 +0 days 🔍
12/07/2017 +1 days 🔍
12/07/2017 +0 days 🔍
12/10/2017 +3 days 🔍
12/25/2017 +15 days 🔍
01/26/2021 +1128 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208331
Researcher: Alex Plaskett
Organization: MWR InfoSecurity
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-13848 (🔍)
GCVE (CVE): GCVE-0-2017-13848
GCVE (VulDB): GCVE-100-110400
SecurityFocus: 102099 - Apple macOS APPLE-SA-2017-12-6-1 Multiple Security Vulnerabilities
SecurityTracker: 1039966

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 12/10/2017 09:10
Updated: 01/26/2021 11:31
Changes: 12/10/2017 09:10 (81), 12/13/2019 09:39 (5), 01/26/2021 11:31 (3)
Complete: 🔍
Cache ID: 216:2FD:103

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