CVE-2019-18671 Memory corruption in n/a
Out-of-bounds write in USB packet handling allows unauthenticated attackers to execute code via WebUSB on ShapeShift KeepKey devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-18671?
CVE-2019-18671 is a critical memory corruption vulnerability in n/a, published on 6 Dec 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Insufficient checks in the USB packet handling of the ShapeShift KeepKey hardware wallet before firmware 6.2.2 allow out-of-bounds writes in the .bss segment via crafted messages. The vulnerability could allow code execution or other forms of impact. It can be triggered by unauthenticated attackers and the interface is reachable via WebUSB.
Weakness: CWE-787
Which versions are affected by CVE-2019-18671?
It affects 1 product.
Products include Keepkey Keepkey Firmware.
How do I fix CVE-2019-18671?
No fix has been published for CVE-2019-18671 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-2019-18671 being exploited?
There is no known exploitation of CVE-2019-18671 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xf55-34cc-4qxw.