CVE-2019-8773 Memory corruption in Safari
Attackers can execute arbitrary code by tricking users into visiting malicious web content in Safari or related Apple services.
- 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-2019-8773?
CVE-2019-8773 is a high-severity memory corruption vulnerability in Apple Icloud, published on 27 Oct 2020. 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
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in Safari 13.0.1, iOS 13.1 and iPadOS 13.1, iCloud for Windows 10.7, iCloud for Windows 7.14, tvOS 13, watchOS 6, iTunes 12.10.1 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
Weakness: CWE-787
Which versions are affected by CVE-2019-8773?
It affects 7 products.
Products include Apple Icloud, Apple Ipad Os, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos and 1 more.
How do I fix CVE-2019-8773?
No fix has been published for CVE-2019-8773 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-8773 being exploited?
There is no known exploitation of CVE-2019-8773 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as GHSA-5gp5-jqc5-m4v7.