CVE-2021-30790 : What You Need to Know
Get insights into CVE-2021-30790, an Apple information disclosure vulnerability addressed in macOS updates. Learn about the impact, affected systems, and mitigation steps.
This article provides details about CVE-2021-30790, an information disclosure vulnerability affecting Apple products.
Understanding CVE-2021-30790
CVE-2021-30790 is an information disclosure vulnerability in Apple's Security Update - Catalina and macOS products. It was addressed by removing the vulnerable code.
What is CVE-2021-30790?
An information disclosure issue was fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, and Security Update 2021-005 Mojave. Opening a maliciously crafted file could result in unexpected application termination or arbitrary code execution.
The Impact of CVE-2021-30790
The vulnerability could allow attackers to exploit the system by tricking users into opening malicious files, leading to severe consequences such as application crashes or unauthorized code execution.
Technical Details of CVE-2021-30790
CVE ID: CVE-2021-30790
- Vendor: Apple
Vulnerability Description
The vulnerability allowed for information disclosure by exploiting a flaw that has been mitigated through code removal in the affected products. The fix was implemented in the specified updates.
Affected Systems and Versions
- Security Update - Catalina: Versions prior to 2021
- macOS: Versions prior to 11.5 and 2021
Exploitation Mechanism
Opening a specially crafted file triggers the vulnerability, potentially resulting in application crashes or execution of arbitrary code.
Mitigation and Prevention
It is crucial to take immediate steps to secure your systems and implement long-term security practices to prevent future vulnerabilities.
Immediate Steps to Take
Users should update their systems to the latest versions that include the security patches addressing CVE-2021-30790. Additionally, exercise caution while opening files from unknown or untrusted sources.
Long-Term Security Practices
Regularly update your operating systems, applications, and security software to stay protected from known vulnerabilities and security threats.
Patching and Updates
Apple has released fixes for the affected products. Ensure that all relevant security updates are applied promptly to mitigate the risk of exploitation.