2021-30797 | Apple tvOS WebKit Remote Code Execution (HT212604)
|CVSS Meta Temp Score
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A vulnerability classified as critical was found in Apple tvOS up to 14.6 (Digital Media Player). Affected by this vulnerability is an unknown code of the component WebKit. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 07/19/2021 by Ivan Fratric as HT212604 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2021-30797. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn’t need any form of authentication. 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 07/23/2021). The advisory points out:
Processing maliciously crafted web content may lead to code execution
Upgrading to version 14.7 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: tvOS 14.7
Researcher: Ivan Fratric
Created: 07/23/2021 08:55
Updated: 07/23/2021 08:59
Changes: (27) vulnerability_cvss3_vuldb_av vulnerability_cvss3_vuldb_ac vulnerability_cvss3_vuldb_pr vulnerability_cvss3_vuldb_ui vulnerability_cvss3_vuldb_s vulnerability_cvss3_vuldb_c vulnerability_cvss3_vuldb_i vulnerability_cvss3_vuldb_a vulnerability_cvss3_vuldb_rl vulnerability_cvss3_vuldb_rc software_type vulnerability_cvss2_vuldb_av vulnerability_cvss2_vuldb_ac vulnerability_cvss2_vuldb_au vulnerability_cvss2_vuldb_ci vulnerability_cvss2_vuldb_ii vulnerability_cvss2_vuldb_ai vulnerability_cvss2_vuldb_rl vulnerability_cvss2_vuldb_e vulnerability_cvss3_vuldb_e vulnerability_cvss2_vuldb_basescore vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_basescore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore exploit_price_0day
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