CVE-2022-42856
What it is
A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. 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 against versions of iOS released before iOS 15.1..
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- 2022-12-14 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- PublishedDisclosed publicly on CVE.org and NVD
- 2023-01-04 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 8.5% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2022-12-14
- Exploit probability
- 8.5% · EPSS, next 30 days
- Weakness
- CWE-843
- Record status
- Analyzed
Affected
- Apple Safari < 16.2
- Apple Ipados < 15.7.2
- Apple Iphone Os < 15.7.2
- Apple Iphone Os < 16.1.2
- Apple macOS < 13.1
- Apple Tvos < 16.2
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-42856.md and follow it. Check whether this project is affected by CVE-2022-42856. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://support.apple.com/en-us/HT213516
- https://support.apple.com/en-us/HT213531
- https://support.apple.com/en-us/HT213532
- https://support.apple.com/en-us/HT213535
- https://support.apple.com/en-us/HT213537
- https://support.apple.com/en-us/HT213516
- https://support.apple.com/en-us/HT213531
- https://support.apple.com/en-us/HT213532
- https://support.apple.com/en-us/HT213535
- https://support.apple.com/en-us/HT213537
References
- http://seclists.org/fulldisclosure/2022/Dec/21
- http://seclists.org/fulldisclosure/2022/Dec/22
- http://seclists.org/fulldisclosure/2022/Dec/23
- http://seclists.org/fulldisclosure/2022/Dec/26
- http://seclists.org/fulldisclosure/2022/Dec/28
- http://www.openwall.com/lists/oss-security/2022/12/26/1
- https://security.gentoo.org/glsa/202305-32
- https://support.apple.com/en-us/HT213516
- https://support.apple.com/en-us/HT213531
- https://support.apple.com/en-us/HT213532
- https://support.apple.com/en-us/HT213535
- https://support.apple.com/en-us/HT213537
- http://seclists.org/fulldisclosure/2022/Dec/21
- http://seclists.org/fulldisclosure/2022/Dec/22
- http://seclists.org/fulldisclosure/2022/Dec/23
- http://seclists.org/fulldisclosure/2022/Dec/26
- http://seclists.org/fulldisclosure/2022/Dec/28
- http://www.openwall.com/lists/oss-security/2022/12/26/1
- https://security.gentoo.org/glsa/202305-32
- https://support.apple.com/en-us/HT213516
- https://support.apple.com/en-us/HT213531
- https://support.apple.com/en-us/HT213532
- https://support.apple.com/en-us/HT213535
- https://support.apple.com/en-us/HT213537
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-42856