WebKit Web Content memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in WebKit. The affected element is an unknown function of the component Web Content Handler. Such manipulation leads to memory corruption. This vulnerability is traded as CVE-2019-8720. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in WebKit (Web Browser) (version unknown) and classified as critical. Affected by this issue is an unknown function of the component Web Content Handler. 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. CVE summarizes:

A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.

The weakness was shared 03/07/2023. The advisory is shared for download at cisa.gov. This vulnerability is handled as CVE-2019-8720 since 02/18/2019. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available.

The exploit is available at cisa.gov. It is declared as attacked. This issue was added on 05/23/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 06/13/2022:

Apply updates per vendor instructions.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

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

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/18/2019 🔍
03/07/2023 +1478 days 🔍
03/07/2023 +0 days 🔍
04/27/2025 +782 days 🔍

Sourcesinfo

Advisory: cisa.gov
Status: Confirmed

CVE: CVE-2019-8720 (🔍)
GCVE (CVE): GCVE-0-2019-8720
GCVE (VulDB): GCVE-100-222404
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/07/2023 03:35
Updated: 04/27/2025 20:24
Changes: 03/07/2023 03:35 (40), 03/31/2023 22:31 (11), 04/26/2024 08:45 (27), 09/09/2024 22:30 (4), 01/29/2025 02:04 (13), 04/27/2025 20:24 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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