2021-30792 | Apple macOS Model I/O out-of-bounds write (HT212602)
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability, which was classified as critical, has been found in Apple macOS (Operating System) (affected version not known). Affected by this issue is an unknown part of the component Model I/O. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-787. Impacted is confidentiality, integrity, and availability.
The weakness was presented 07/21/2021 as HT212602 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2021-30792 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. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/28/2021). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:
Processing a maliciously crafted image may lead to arbitrary code execution
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
An out-of-bounds write was addressed with improved input validation.
VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0
Status: Not defined
04/13/2021 CVE assigned
07/21/2021 +99 days Advisory disclosed
07/21/2021 +0 days Countermeasure disclosed
07/23/2021 +2 days VulDB entry created
07/28/2021 +5 days VulDB last updateVendor: https://www.apple.com/
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