VDB-144604 · CVE-2019-8798 · HT210722

Apple macOS up to 10.15.0 File System Events memory corruption

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7.0	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple macOS up to 10.15.0. This impacts an unknown function of the component File System Events. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2019-8798. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Apple macOS up to 10.15.0 (Operating System). This vulnerability affects an unknown code block of the component File System Events. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, tvOS 13.2, watchOS 6.1. An application may be able to execute arbitrary code with system privileges.

The weakness was shared 10/29/2019 with ABC Research s.r.o. as HT210722 as confirmed advisory (Website) via ZDI (Zero Day Initiative). The advisory is shared for download at support.apple.com. The vendor cooperated in the coordination of the public release. This vulnerability was named CVE-2019-8798. The attack needs to be approached locally. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

A memory corruption issue was addressed with improved memory handling.

Upgrading to version 10.15.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-144511, VDB-144536, VDB-144576 and VDB-144590 are related to this item. 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: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.15.1

Timelineinfo

02/18/2019 🔍
10/29/2019 +253 days 🔍
10/29/2019 +0 days 🔍
10/31/2019 +2 days 🔍
01/31/2024 +1553 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210722
Organization: ABC Research s.r.o.
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2019-8798 (🔍)
GCVE (CVE): GCVE-0-2019-8798
GCVE (VulDB): GCVE-100-144604
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 10/31/2019 08:36
Updated: 01/31/2024 14:10
Changes: 10/31/2019 08:36 (49), 10/31/2019 08:41 (17), 01/31/2024 14:10 (4)
Complete: 🔍
Cache ID: 216::103