Remote code execution in Apple macOS
| Risk | Critical |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | N/A |
| CWE-ID | CWE-939 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
macOS Operating systems & Components / Operating system |
| Vendor | Apple Inc. |
Security Bulletin
This security bulletin contains one critical risk vulnerability.
1) Improper Authorization in Handler for Custom URL Scheme
EUVDB-ID: #VU56813
Risk: Critical
CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-939 - Improper Authorization in Handler for Custom URL Scheme
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation in in macOS Finder when processing custom URI schemes, such as File:// or fIle://. A remote attacker can create a specially crafted file with inetloc extension, send it as an email attachment, trick the victim to open the email and execute arbitrary OS commands on the system.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsmacOS: 10.14 18A391 - 11.6 20G165
External linkshttp://ssd-disclosure.com/ssd-advisory-macos-finder-rce/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
