Overview
Recently, NSFOCUS CERT has detected that Apple has officially fixed three zero-day exploit in multiple products. These vulnerabilities exist in the wild. Affected users should take protective measures as soon as possible. The details of the vulnerability are as follows:
Apple WebKit Arbitrary Code Execution Vulnerability (CVS 2023-41993):
There is an arbitrary code execution vulnerability in Apple WebKit, which can be triggered by an attacker by inducing the victim to open a crafted web page, ultimately enabling the execution of arbitrary code on the target system.
Apple Security Framework Remote Code Execution Vulnerability (CVS 2023-41991):
There is a remote code vulnerability in the Apple Security framework that allows attackers to use malicious applications to bypass signature verification and ultimately execute arbitrary code on the target system.
Apple Kernel Framework privilege escalation vulnerability (CVE-2023-41992):
There is a privilege escalation vulnerability in the Apple Kernel Framework, which is located in the core of the operating system. Local attackers can successfully exploit this vulnerability to elevate their privileges in the system and gain more access privileges, ultimately leading to the leakage of sensitive information.
Reference link: https://support.apple.com/en-us/HT213926
Scope of Impact
Affected version
CVE-2023-41993
- IOS/iPadOS 16. X Series<16.7
- IOS/iPadOS 17. X series<17.0.1
- Safari<16.6.1
CVE-2023-41991
- IOS/iPadOS 16. X Series<16.7
- IOS/iPadOS 17. X series<17.0.1
- WatchOS 9. X series<9.6.3
- WatchOS 10. X series<10.0.1
- MacOS Ventura<13.6
CVE-2023-41992
- IOS/iPadOS 16. X Series<16.7
- IOS/iPadOS 17. X series<17.0.1
- WatchOS 9. X series<9.6.3
- WatchOS 10. X series<10.0.1
- MacOS Ventura<13.6
- MacOS Monterey<12.7
Unaffected version
CVE-2023-41993
- IOS/iPadOS 16. X Series>=16.7
- IOS/iPadOS 17. X Series>=17.0.1
- Safari>=16.6.1
CVE-2023-41991
- IOS/iPadOS 16. X Series>=16.7
- IOS/iPadOS 17. X Series>=17.0.1
- WatchOS 9. X series>=9.6.3
- WatchOS 10. X series>=10.0.1
- MacOS Ventura>=13.6
CVE-2023-41992
- IOS/iPadOS 16. X Series>=16.7
- IOS/iPadOS 17. X Series>=17.0.1
- WatchOS 9. X series>=9.6.3
- WatchOS 10. X series>=10.0.1
- MacOS Ventura>=13.6
- MacOS Monterey>=12.7
Mitigation
Currently, the official security version has been released to fix this vulnerability. It is recommended that affected users upgrade their protection in a timely manner:
Statement
This advisory is only used to describe a potential risk. NSFOCUS does not provide any commitment or promise on this advisory. NSFOCUS and the author will not bear any liability for any direct and/or indirect consequences and losses caused by transmitting and/or using this advisory. NSFOCUS reserves all the rights to modify and interpret this advisory. Please include this statement paragraph when reproducing or transferring this advisory. Do not modify this advisory, add/delete any information to/from it, or use this advisory for commercial purposes without permission from NSFOCUS.
About NSFOCUS
NSFOCUS, Inc., a global network and cyber security leader, protects enterprises and carriers from advanced cyberattacks. The company’s Intelligent Hybrid Security strategy utilizes both cloud and on-premises security platforms, built on a foundation of real-time global threat intelligence, to provide multi-layered, unified and dynamic protection against advanced cyber attacks.
NSFOCUS works with Fortune Global 500 companies, including four of the world’s five largest financial institutions, organizations in insurance, retail, healthcare, critical infrastructure industries as well as government agencies. NSFOCUS has technology and channel partners in more than 60 countries, is a member of both the Microsoft Active Protections Program (MAPP), and the Cloud Security Alliance (CSA). A wholly owned subsidiary of NSFOCUS Technologies Group Co., Ltd., the company has operations in the Americas, Europe, the Middle East and Asia Pacific.
