Cross-origin data exfiltration in Apple WebKit/Safari cookie management
CVE-2024-54467 is a cookie management flaw in Apple platforms, including watchOS 11, macOS Sequoia 15, Safari 18, visionOS 2, iOS 18, iPadOS 18, and tvOS 18. Apple states the issue was addressed with improved state management. The vulnerability allows a malicious website to exfiltrate data across origins, indicating improper enforcement of origin-based isolation in cookie handling or related browser state. The available advisory does not identify the specific vulnerable function or code path, but the issue is characterized as a web-origin boundary failure tied to cookie management.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A web content processing issue leading to an unexpected process crash; addressed with improved checks.
Web content processing issue leading to unexpected process crash; fixed with improved checks.
A cookie management/state management issue that could allow a malicious website to exfiltrate data cross-origin on Apple TV.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.