Known exploited vulnerability
CVE-2023-32373
The short answer
CVE-2023-32373 affects Apple macOS and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-05-22: attackers are using it, so patch it first.
What it is
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.
Weakness: CWE-416.
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 May 22, 2023
Federal due date Jun 12, 2023
EPSS, next 30 days
12%
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 updates per vendor instructions.
Affected products
macOS, Safari, watchOS, iOS and iPadOS, tvOS. NVD's record lists the exact affected versions.
References
- security.gentoo.org/glsa/202401-04 Third Party Advisory
- support.apple.com/en-us/HT213757 Release NotesVendor Advisory
- support.apple.com/en-us/HT213758 Release NotesVendor Advisory
- support.apple.com/en-us/HT213761 Release NotesVendor Advisory
- support.apple.com/en-us/HT213762 Release NotesVendor Advisory
- support.apple.com/en-us/HT213764 Release NotesVendor Advisory
- support.apple.com/en-us/HT213765 Release NotesVendor Advisory
- security.gentoo.org/glsa/202401-04 Third Party Advisory
- support.apple.com/en-us/HT213757 Release NotesVendor Advisory
- support.apple.com/en-us/HT213758 Release NotesVendor Advisory
- support.apple.com/en-us/HT213761 Release NotesVendor Advisory
- support.apple.com/en-us/HT213762 Release NotesVendor Advisory
Questions
Is CVE-2023-32373 being exploited?
Yes. CISA added CVE-2023-32373 to its Known Exploited Vulnerabilities catalog on 2023-05-22, with a federal remediation due date of 2023-06-12.
How do I fix CVE-2023-32373?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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