A use-after-free issue was addressed with improved memory management.
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 13.4, 16.5, 9.5, 15.7
- 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 watchOS, tvOS, macOS, iOS, iPadOS, and Safari are affected. Processing maliciously crafted web content 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 use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. 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
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- CVE published
- Record last updated
- EPSS reached 10%
FIRST estimates at least a 10% chance of exploitation in the next 30 days
Affected versions
- Apple macOS
From unspecified · fixed in 13.4
- Apple Safari
From unspecified · fixed in 16.5
- Apple watchOS
From unspecified · fixed in 9.5
- Apple iOS and iPadOS
From unspecified · fixed in 15.7
- Apple iOS and iPadOS
From unspecified · fixed in 16.5
- Apple tvOS
From unspecified · fixed in 16.5
References 7
support.apple.com
security.gentoo.org
Questions about CVE-2023-32373
What does this mean?
A use-after-free bug is a memory error where software keeps using memory after it has been released. Per the impact statement, processing maliciously crafted web content may lead to arbitrary code execution.Source: support.apple.com
Am I affected, and how do I check?
The facts list Apple macOS, Safari, watchOS, iOS and iPadOS, and tvOS with no earlier introduced version given (listed as unspecified). To check a device, compare its installed version with the fixed versions: macOS 13.4, Safari 16.5, watchOS 9.5, iOS and iPadOS 15.7 or 16.5, and tvOS 16.5.Source: support.apple.com
What should I do about it?
Update to the fixed version for your product: macOS 13.4, Safari 16.5, watchOS 9.5, iOS and iPadOS 16.5 (or 15.7 on that branch), or tvOS 16.5. The facts give no workaround.Source: support.apple.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2023-05-22, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data