Apple tvOS up to 12.1.2 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 categorized as critical has been discovered in Apple tvOS up to 12.1.2. Affected by this vulnerability is an unknown functionality of the component WebKit. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2019-8559. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS up to 12.1.2 (Digital Media Player). It has been rated as critical. Affected by this issue is an 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 bug was discovered 03/25/2019. The weakness was presented 03/25/2019 with Apple as HT209601 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2019-8559 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. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple memory corruption issues were addressed with improved memory handling.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371711 (Apple Safari Multiple Vulnerabilities (HT209603)).

Upgrading to version 12.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-132259, VDB-132260, VDB-132264 and VDB-132265 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 12.2

Timelineinfo

02/18/2019 🔍
03/25/2019 +35 days 🔍
03/25/2019 +0 days 🔍
03/25/2019 +0 days 🔍
03/26/2019 +1 days 🔍
08/07/2023 +1595 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209601
Organization: Apple
Status: Confirmed

CVE: CVE-2019-8559 (🔍)
GCVE (CVE): GCVE-0-2019-8559
GCVE (VulDB): GCVE-100-132308
See also: 🔍

Entryinfo

Created: 03/26/2019 15:00
Updated: 08/07/2023 17:16
Changes: 03/26/2019 15:00 (63), 05/20/2020 17:06 (3), 08/07/2023 17:16 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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