CVE-2018-4409 Denial of service in iOS, tvOS, Safari, iTunes for Windows, iCloud for Windows
Attackers can cause resource exhaustion leading to denial of service on Apple devices and applications via improved input validation fixes.
- 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-2018-4409?
CVE-2018-4409 is a medium-severity denial of service vulnerability in Apple Icloud, published on 3 Apr 2019. 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 resource exhaustion issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1, tvOS 12.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.
Weakness: CWE-400
Which versions are affected by CVE-2018-4409?
It affects 5 products.
Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos.
How do I fix CVE-2018-4409?
No fix has been published for CVE-2018-4409 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-4409 being exploited?
There is no known exploitation of CVE-2018-4409 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as GHSA-rx2j-j9hc-vhc2.