CVE-2021-30802 Use after free in iOS
Processing maliciously crafted web content may lead to arbitrary code execution via a use-after-free vulnerability in Apple iOS and tvOS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-30802?
CVE-2021-30802 is a high-severity use after free vulnerability in Apple Iphone Os, published on 8 Sep 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
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.
Weakness: CWE-416
Which versions are affected by CVE-2021-30802?
It affects 2 products.
Products include Apple Iphone Os, Apple Tvos.
How do I fix CVE-2021-30802?
No fix has been published for CVE-2021-30802 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2021-30802 being exploited?
There is no known exploitation of CVE-2021-30802 in the wild and no public exploit code.
Other vulnerabilities in Apple Iphone Os
Sources
Also known as GHSA-c9vc-847w-w9p5.