Apple macOS up to 10.13.3 CoreText memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.13.3. It has been rated as critical. The affected element is an unknown function of the component CoreText. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2018-4124. The attack may be initiated remotely. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.13.3 (Operating System) and classified as critical. This issue affects an unknown function of the component CoreText. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 02/19/2018. The weakness was presented 02/19/2018 as HT208535 as confirmed security update (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2018-4124 since 01/02/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 107071 (macOS 10.13.3 Supplemental Update), 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 370782 (Apple macOS High Sierra 10.13.3 Supplemental Update Not Installed (HT208535)).

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 vulnerability database at Tenable (107071). See VDB-113604, VDB-113605 and VDB-113606 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 107071
Nessus Name: macOS 10.13.3 Supplemental Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841792
OpenVAS Name: Apple MacOSX Memory Corruption Vulnerability (HT208535)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

01/02/2018 🔍
02/19/2018 +48 days 🔍
02/19/2018 +0 days 🔍
02/19/2018 +0 days 🔍
02/20/2018 +1 days 🔍
02/28/2018 +8 days 🔍
04/03/2018 +34 days 🔍
02/08/2023 +1772 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208535
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4124 (🔍)
GCVE (CVE): GCVE-0-2018-4124
GCVE (VulDB): GCVE-100-113603
SecurityFocus: 103066
SecurityTracker: 1040396

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

Entryinfo

Created: 02/20/2018 13:14
Updated: 02/08/2023 14:51
Changes: 02/20/2018 13:14 (74), 01/07/2020 09:00 (3), 02/04/2021 11:10 (3), 02/08/2023 14:51 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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