CVE-2023-41993: Apple Multiple Products WebKit Code Execution Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

Apple iOS, iPadOS, macOS, and Safari WebKit contain an unspecified vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

https://support.apple.com/en-us/HT213926, https://support.apple.com/en-us/HT213927, https://support.apple.com/en-us/HT213930; https://nvd.nist.gov/vuln/detail/CVE-2023-41993

Weakness behind it

CISA records this vulnerability as an instance of CWE-754. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-41993
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog