CVE-2019-8657 Memory corruption in iOS
Attackers can execute arbitrary code or cause denial of service by tricking users into opening malicious office documents on Apple operating systems.
- 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-2019-8657?
CVE-2019-8657 is a high-severity memory corruption vulnerability in Apple Iphone Os, published on 18 Dec 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
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. Parsing a maliciously crafted office document may lead to an unexpected application termination or arbitrary code execution.
Weakness: CWE-125
Which versions are affected by CVE-2019-8657?
It affects 4 products.
Products include Apple Iphone Os, Apple Mac Os X, Apple Tvos, Apple Watchos.
How do I fix CVE-2019-8657?
No fix has been published for CVE-2019-8657 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-2019-8657 being exploited?
There is no known exploitation of CVE-2019-8657 in the wild and no public exploit code.
Other vulnerabilities in Apple Iphone Os
Sources
Also known as GHSA-6c7m-m9x5-2c3c.