2021-30797 | Apple Safari WebKit Remote Code Execution (HT212606)
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability was found in Apple Safari up to 14.1.1 (Web Browser). It has been rated as critical. Affected by this issue is an unknown functionality of the component WebKit. Impacted is confidentiality, integrity, and availability.
The weakness was presented 07/19/2021 by Ivan Fratric as HT212606 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2021-30797 since 04/13/2021. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/28/2021). The advisory points out:
Processing maliciously crafted web content may lead to code execution
Upgrading to version 14.1.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
This issue was addressed with improved checks.
VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0
Status: Not defined
Upgrade: Safari 14.1.2
04/13/2021 CVE assigned
07/19/2021 +97 days Advisory disclosed
07/19/2021 +0 days Countermeasure disclosed
07/23/2021 +4 days VulDB entry created
07/28/2021 +5 days VulDB last updateVendor: https://www.apple.com/
Researcher: Ivan Fratric
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