Known exploited vulnerability
CVE-2024-23222
The short answer
CVE-2024-23222 affects Apple Safari and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2024-01-23: attackers are using it, so patch it first.
What it is
A type confusion issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 15.8.7 and iPadOS 15.8.7, iOS 16.7.5 and iPadOS 16.7.5, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.3, macOS Sonoma 14.3, macOS Ventura 13.6.4, tvOS 17.3, visionOS 1.0.2. Processing maliciously crafted web content may lead to arbitrary code execution. This fix associated with the Coruna exploit was shipped in iOS 17.3 on January 22, 2024. This update brings that fix to devices that cannot update to the latest iOS version.
Weakness: CWE-843.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Jan 23, 2024
Federal due date Feb 13, 2024
EPSS, next 30 days
11%
Higher than 96% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected products
Safari, iOS and iPadOS, macOS, tvOS, visionOS. NVD's record lists the exact affected versions.
References
- support.apple.com/en-us/118479 Release NotesVendor Advisory
- support.apple.com/en-us/120304 Release NotesVendor Advisory
- support.apple.com/en-us/120305 Release NotesVendor Advisory
- support.apple.com/en-us/120307 Release NotesVendor Advisory
- support.apple.com/en-us/120309 Release NotesVendor Advisory
- support.apple.com/en-us/120310 Release NotesVendor Advisory
- support.apple.com/en-us/120311 Release NotesVendor Advisory
- support.apple.com/en-us/120339 Release NotesVendor Advisory
- support.apple.com/en-us/126632 Release NotesVendor Advisory
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/US43EQFC2IS66EA2CPAZFH2RQ6WD7PKF/ Broken Link
- support.apple.com/en-us/HT214055 Release NotesVendor Advisory
- support.apple.com/en-us/HT214059 Release NotesVendor Advisory
Questions
Is CVE-2024-23222 being exploited?
Yes. CISA added CVE-2024-23222 to its Known Exploited Vulnerabilities catalog on 2024-01-23, with a federal remediation due date of 2024-02-13.
How do I fix CVE-2024-23222?
CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
Related
Latest CVEs this week
Critical and High CVEs from the last 7 days, with KEV and EPSS.
Exploited vulnerabilities by vendor
Every vendor in CISA's KEV catalog, with its count.
Apple exploited vulnerabilities
Everything CISA lists as exploited for Apple.
Vulnerability watch
A briefing and a fix pull request when an advisory hits your dependencies.
Know the day a CVE lands in your code
Connect a GitHub repository and ZeusQA checks its dependencies daily, briefs each advisory and opens the fix. Three test runs free, no card.