CVE-2021-1765 Security feature bypass in macOS

What is CVE-2021-1765?

CVE-2021-1765 is a medium-severity vulnerability in Apple Mac Os X, published on 2 Apr 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave. Maliciously crafted web content may violate iframe sandboxing policy.

Which versions are affected by CVE-2021-1765?

It affects 4 products.

Products include Apple Mac Os X, Apple Macos, Fedoraproject Fedora, Webkitgtk Webkitgtk.

How do I fix CVE-2021-1765?

Apply the vendor's patch.

Is CVE-2021-1765 being exploited?

There is no known exploitation of CVE-2021-1765 in the wild and no public exploit code.

Other vulnerabilities in Apple Mac Os X

• CVE-2014-7169 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2014-6271 GNU Bourne-Again Shell (Bash) Arbitrary Code Execution Exploited Critical 9.8
• CVE-2012-1823 PHP-CGI Query String Parameter Exploited Critical 9.8
• CVE-2021-30713 Apple macOS Unspecified Exploited High 7.8
• CVE-2019-8526 Apple macOS Use-After-Free Exploited High 7.8

All Apple Mac Os X vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2021-1765, GHSA-872w-fg9q-jgjx, UBUNTU-CVE-2021-1765.