Apple watchOS up to 5.2.1 Quick Look use after free

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

Summaryinfo

A vulnerability has been found in Apple watchOS up to 5.2.1 and classified as critical. This affects an unknown part of the component Quick Look. This manipulation causes use after free. This vulnerability is tracked as CVE-2019-8662. The attack is possible to be carried out remotely. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Apple watchOS up to 5.2.1 (Smartwatch Operating System). Affected by this vulnerability is an unknown part of the component Quick Look. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 07/22/2019 by Natalie Silvanovich with Google Project Zero as HT210353 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2019-8662 since 02/18/2019. The attack can be launched remotely. The exploitation doesn't need 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.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 5.3 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). The entries VDB-138537, VDB-138538, VDB-138539 and VDB-138540 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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Version

License

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

Class: Use after free
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: watchOS 5.3

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: HT210353
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2019-8662 (🔍)
GCVE (CVE): GCVE-0-2019-8662
GCVE (VulDB): GCVE-100-138547
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/24/2019 15:03
Updated: 01/21/2025 13:38
Changes: 07/24/2019 15:03 (63), 07/10/2020 13:07 (1), 11/06/2023 13:33 (4), 01/21/2025 13:38 (22)
Complete: 🔍
Cache ID: 216::103

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

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