A type confusion issue was addressed with improved checks.
Apple lists iOS and iPadOS, Safari, and macOS as affected before their fixed releases, with iOS 16.5.1 and iPadOS 16.5.1 named as fixes. CVSS rates it 8.8 (high); Apple gives no separate vendor rating.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 15.7, 16.5, 13.4
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Apple's iOS, iPadOS, macOS, and Safari are affected. A specially crafted web page could allow an attacker to run arbitrary code on the device.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Apple iOS and iPadOS
From unspecified · fixed in 15.7
- Apple Safari
From unspecified · fixed in 16.5
- Apple iOS and iPadOS
From unspecified · fixed in 16.5
- Apple macOS
From unspecified · fixed in 13.4
References 7
security.gentoo.org
Questions about CVE-2023-32439
What does this mean?
A type confusion issue means code can treat data as a different type than it really is. Apple says processing maliciously crafted web content may lead to arbitrary code execution, and the fix adds improved checks.Source: support.apple.com
Am I affected, and how do I check?
Apple lists iOS and iPadOS before 15.7 and 16.5, Safari before 16.5, and macOS before 13.4 as affected. To check a device, look at the version under Settings > General > About on iPhone or iPad, or under About This Mac on macOS.Source: support.apple.com
What should I do about it?
Update iOS and iPadOS to 16.5.1 or later, which the advisory names as the fixed release. Update Safari to 16.5 or later and macOS to 13.4 or later.Source: support.apple.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-06-23, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data