Description
A memory initialization issue was addressed. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. A malicious application may be able to disclose kernel memory.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | watchOS | unspecified – < 7.1 | 7.1 |
| Apple | iOS and iPadOS | unspecified – < 14.2 | 14.2 |
| Apple | macOS | unspecified – < 11.0, unspecified – < 12.4, unspecified – < 6.2, unspecified – < 5.3, unspecified – < 2020, unspecified – < 10.15 | 11.0 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 2 repositories
-
synacktiv/CVE-2020-27950 ★ 34 · Dec 1, 2020
CVE-2020-27950 exploit
-
lyonzon2/browser-crash-tool ★ 5 · Sep 15, 2024
A Bash script for Kali Linux that exploits an iOS WebKit vulnerability (CVE-2020-27950) using Metasploit and ngrok. Automates payload delivery with a public URL via ngrok, checks for required tools, …
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://support.apple.com/en-us/HT211931
- https://support.apple.com/en-us/HT211928
- https://support.apple.com/en-us/HT211929
- https://support.apple.com/en-us/HT211940
- https://support.apple.com/en-us/HT211944
- https://support.apple.com/en-us/HT211945
- https://support.apple.com/en-us/HT211946
- https://support.apple.com/en-us/HT211947
- 20201215 APPLE-SA-2020-12-14-4 Additional information for APPLE-SA-2020-11-13-1 macOS Big Sur 11.0.1 mailing-list
- http://packetstormsecurity.com/files/161296/XNU-Kernel-Mach-Message-Trailers-Memory-Disclosure.html