Known exploited vulnerability
CVE-2023-23529
The short answer
CVE-2023-23529 affects Apple iOS and iPadOS and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-02-14: attackers are using it, so patch it first.
What it is
A type confusion issue was addressed with improved checks. This issue is fixed in iOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, Safari 16.3. 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-843.
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 Feb 14, 2023
Federal due date Mar 7, 2023
EPSS, next 30 days
9.4%
Higher than 95% 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
iOS and iPadOS, Safari, macOS. NVD's record lists the exact affected versions.
References
- support.apple.com/en-us/HT213633 Release NotesVendor Advisory
- support.apple.com/en-us/HT213635 Release NotesVendor Advisory
- support.apple.com/en-us/HT213638 Release NotesVendor Advisory
- support.apple.com/en-us/HT213673 Release NotesVendor Advisory
- support.apple.com/en-us/HT213633 Release NotesVendor Advisory
- support.apple.com/en-us/HT213635 Release NotesVendor Advisory
- support.apple.com/en-us/HT213638 Release NotesVendor Advisory
- support.apple.com/en-us/HT213673 Release NotesVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-23529 US Government Resource
Questions
Is CVE-2023-23529 being exploited?
Yes. CISA added CVE-2023-23529 to its Known Exploited Vulnerabilities catalog on 2023-02-14, with a federal remediation due date of 2023-03-07.
How do I fix CVE-2023-23529?
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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