Apple Safari up to 12.1.0 WebKit array index

Summaryinfo

A vulnerability identified as critical has been detected in Apple Safari up to 12.1.0. Impacted is an unknown function of the component WebKit. Performing a manipulation results in array index. This vulnerability is reported as CVE-2019-8587. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple Safari up to 12.1.0 (Web Browser). It has been classified as critical. This affects some unknown functionality of the component WebKit. The manipulation with an unknown input leads to a array index vulnerability. CWE is classifying the issue as CWE-129. The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 05/13/2019. The weakness was disclosed 05/13/2019 by G. Geshev with Zero Day Initiative as HT210123 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2019-8587 since 02/18/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/19/2023). 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 371784 (Apple Safari Multiple Vulnerabilities (HT210123)).

Upgrading to version 12.1.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-134869, VDB-134870, VDB-134871 and VDB-134872 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Web Browser

Vendor

• Apple

Name

• Safari

Version

• 12.0
• 12.1.0

License

• commercial

Website

• Vendor: https://www.apple.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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