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Mallory
Medium

Sensitive user information tracking issue in Apple Safari and Apple operating systems

IdentifiersCVE-2023-38599CWE-362

CVE-2023-38599 is an Apple vulnerability described as a logic issue that was remediated through improved state management. According to the provided advisory text, the flaw affects Safari and multiple Apple platforms, including Safari 16.6, watchOS 9.6, iOS 15.7.8, iPadOS 15.7.8, tvOS 16.6, iOS 16.6, iPadOS 16.6, and macOS Ventura 13.5 prior to the fix. Apple states that a website may be able to track sensitive user information. The available information does not identify the specific vulnerable component, function, or code path beyond characterizing the issue as a logic/state-management flaw.

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For your environment

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ANALYST BRIEF

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.

Successful exploitation may allow a malicious website to track sensitive user information, resulting in a privacy breach. Based on the advisory language, the primary impact is unauthorized cross-session or cross-context observation of user-related sensitive information rather than direct code execution or privilege escalation.

Mitigation

If you can’t patch tonight, do this now.

Until patches can be applied, reduce exposure by limiting use of untrusted websites and web content, especially in Safari or embedded web views on affected Apple platforms. Enterprise defenders can also reduce risk through web filtering, content isolation, and restricting access to untrusted sites. However, no complete mitigation is provided in the supplied content, and patching is the definitive fix.

Remediation

Patch, then assume compromise.

Apply the vendor fixes provided by Apple. The issue is fixed in Safari 16.6, watchOS 9.6, iOS 15.7.8, iPadOS 15.7.8, tvOS 16.6, iOS 16.6, iPadOS 16.6, and macOS Ventura 13.5. Systems running earlier affected versions should be updated to the corresponding fixed release.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

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.

VendorProductType
AppleIpadosoperating_system
AppleIphone Osoperating_system
AppleMacosoperating_system
AppleSafariapplication
AppleTvosoperating_system
AppleWatchosoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.