Apple tvOS up to 12.3 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple tvOS up to 12.3. Affected by this vulnerability is an unknown functionality of the component WebKit. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2019-8672. The attack may be launched remotely. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS up to 12.3 (Digital Media Player). It has been rated as critical. Affected by this issue is some unknown functionality of the component WebKit. 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 weakness was shared 07/22/2019 with Google Project Zero as HT210351 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2019-8672 since 02/18/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 12.4 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 (47191). The entries VDB-138553, VDB-138589, VDB-138611 and VDB-138627 are related to this item. Once again VulDB remains the best source for vulnerability data.

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: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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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: 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: tvOS 12.4

Timelineinfo

02/18/2019 🔍
07/22/2019 +154 days 🔍
07/22/2019 +0 days 🔍
07/24/2019 +2 days 🔍
02/02/2025 +2020 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210351
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2019-8672 (🔍)
GCVE (CVE): GCVE-0-2019-8672
GCVE (VulDB): GCVE-100-138644
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/24/2019 15:56
Updated: 02/02/2025 20:05
Changes: 07/24/2019 15:56 (62), 07/11/2020 09:12 (1), 11/07/2023 08:37 (4), 02/02/2025 20:05 (22)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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