VDB-132372 · CVE-2019-8507 · HT209600

Apple macOS up to 10.14.3 QuartzCore input validation

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5.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.14.3. This impacts an unknown function of the component QuartzCore. The manipulation results in input validation. This vulnerability is reported as CVE-2019-8507. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple macOS up to 10.14.3 (Operating System). Affected is some unknown functionality of the component QuartzCore. 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:

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Mojave 10.14.4. Processing malicious data may lead to unexpected application termination.

The bug was discovered 03/25/2019. The weakness was disclosed 03/25/2019 by Kai Lu with Fortinet's FortiGuard Labs as HT209600 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2019-8507 since 02/18/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple memory corruption issues were addressed with improved input validation.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371712 (Apple macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 Sierra Not Installed (APPLE-SA-2019-3-25-2)).

Upgrading to version 10.14.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-132341, VDB-132342, VDB-132343 and VDB-132344 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Apple

Name

macOS

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.14.4

Timelineinfo

02/18/2019 🔍
03/25/2019 +35 days 🔍
03/25/2019 +0 days 🔍
03/25/2019 +0 days 🔍
03/26/2019 +1 days 🔍
06/10/2024 +1903 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209600
Researcher: Kai Lu
Organization: Fortinet's FortiGuard Labs
Status: Confirmed

CVE: CVE-2019-8507 (🔍)
GCVE (CVE): GCVE-0-2019-8507
GCVE (VulDB): GCVE-100-132372
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 03/26/2019 15:31
Updated: 06/10/2024 16:51
Changes: 03/26/2019 15:31 (64), 05/21/2020 09:47 (3), 06/10/2024 16:51 (19)
Complete: 🔍
Cache ID: 216::103