CVE-2019-9536 Null dereference in iPhone
A flaw in the iPhone 3GS bootrom allows attackers with physical access to install arbitrary firmware due to improper memory allocation handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-9536?
CVE-2019-9536 is a medium-severity vulnerability in Apple iPhone, published on 22 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Apple iPhone 3GS bootrom malloc implementation returns a non-NULL pointer when unable to allocate memory, aka 'alloc8'. An attacker with physical access to the device can install arbitrary firmware.
Weakness: CWE-755
Which versions are affected by CVE-2019-9536?
It affects 1 product.
Products include Apple Iphone 3gs.
How do I fix CVE-2019-9536?
No fix has been published for CVE-2019-9536 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-9536 being exploited?
There is no known exploitation of CVE-2019-9536 in the wild and no public exploit code.
Sources
Also known as GHSA-c9m5-g5w9-9jfx.