Apple macOS up to 10.14.5 Quick Look Use-After-Destruction use after free

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.14.5 and classified as critical. This impacts an unknown function of the component Quick Look. The manipulation results in use after free (Use-After-Destruction). This vulnerability is identified as CVE-2019-8662. The attack can be executed remotely. Additionally, an exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.14.5 (Operating System). Affected is an unknown code of the component Quick Look. The manipulation with an unknown input leads to a use after free vulnerability (Use-After-Destruction). CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. An attacker may be able to trigger a use-after-free in an application deserializing an untrusted NSDictionary.

The weakness was released 07/22/2019 by Natalie Silvanovich with Google Project Zero as HT210348 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2019-8662 since 02/18/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The advisory points out:

This issue was addressed with improved checks.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Upgrading to version 10.14.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (47608). Entries connected to this vulnerability are available at VDB-138547, VDB-138560, VDB-138561 and VDB-138562. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Use-After-Destruction
Class: Use after free / Use-After-Destruction
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.14.6

Timelineinfo

02/18/2019 🔍
07/22/2019 +154 days 🔍
07/22/2019 +0 days 🔍
07/24/2019 +2 days 🔍
01/21/2025 +2008 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210348
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2019-8662 (🔍)
GCVE (CVE): GCVE-0-2019-8662
GCVE (VulDB): GCVE-100-138576
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 07/24/2019 15:14
Updated: 01/21/2025 14:11
Changes: 07/24/2019 15:14 (66), 07/10/2020 16:45 (1), 01/21/2025 14:11 (23)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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