CVE-2023-41991 — Apple Multiple Products Improper Certificate Validation Vulnerability
CVE-2023-41991: Apple Multiple Products Improper Certificate Validation Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Apple |
| Product | Multiple Products |
| Date added | 2023-09-25 |
| Due date | 2023-10-16 |
| Ransomware campaign use | Unknown |
Description
Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation.
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/HT213928, https://support.apple.com/en-us/HT213929, https://support.apple.com/en-us/HT213931 ; https://nvd.nist.gov/vuln/detail/CVE-2023-41991
Weakness behind it
CISA records this vulnerability as an instance of CWE-295. 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-2023-41991
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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