Apple macOS up to 10.13.5 iBooks input validation

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CVSS Meta Temp Score
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5.1$0-$5k0.00

A vulnerability was found in Apple macOS up to 10.13.5 (Operating System) and classified as critical. Affected by this issue is some unknown functionality of the component iBooks. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-20. Impacted is confidentiality, and integrity.

The bug was discovered 06/01/2018. The weakness was disclosed 06/01/2018 by Jerry Decime (Basti) as HT208849 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2018-4202 since 01/02/2018. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

An input validation issue was addressed with improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 110324 (macOS 10.13.x < 10.13.5 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 combined. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370985 (Apple macOS High Sierra 10.13.5, Security Update 2018-003 Sierra, Security Update 2018-003 El Capitan Not Installed).

Upgrading to version 10.13.5 2018-003 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 104897) and Tenable (110324). The entries 118673, 118642, 118643 and 118644 are pretty similar.

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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.8
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 110324
Nessus Name: macOS 10.13.x < 10.13.5 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Upgrade: macOS 10.13.5 2018-003

Timelineinfoedit

01/02/2018 🔍
06/01/2018 +150 days 🔍
06/01/2018 +0 days 🔍
06/01/2018 +0 days 🔍
06/03/2018 +2 days 🔍
06/05/2018 +2 days 🔍
06/08/2018 +3 days 🔍
07/23/2018 +45 days 🔍
02/12/2020 +569 days 🔍

Sourcesinfoedit

Vendor: https://www.apple.com/

Advisory: HT208849
Researcher: Jerry Decime (Basti)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4202 (🔍)
SecurityFocus: 104897 - Apple iOS and macOS Multiple Security Vulnerabilities

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

Entryinfoedit

Created: 06/03/2018 02:14 PM
Updated: 02/12/2020 08:04 AM
Changes: (16) vulnerability_discoverydate advisory_person_nickname advisory_confirm_url source_cve_assigned source_cve_nvd_published source_cve_nvd_summary source_securityfocus source_securityfocus_date source_securityfocus_class source_nessus_id source_nessus_name source_nessus_filename source_nessus_family source_openvas_filename source_openvas_title source_openvas_family
Complete: 🔍

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