CVE-2021-31616 Memory corruption in n/a
A stack buffer overflow in KeepKey firmware allows remote code execution via crafted WebUSB messages, requiring a firmware upgrade.
- 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-2021-31616?
CVE-2021-31616 is a high-severity memory corruption vulnerability in n/a, published on 6 May 2021. 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
Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware before 7.1.0 allow a stack buffer overflow via crafted messages. The overflow in ethereum_extractThorchainSwapData() in ethereum.c can circumvent stack protections and lead to code execution. The vulnerable interface is reachable remotely over WebUSB.
Weakness: CWE-787
Which versions are affected by CVE-2021-31616?
It affects 1 product.
Products include Shapeshift Keepkey Firmware.
How do I fix CVE-2021-31616?
No fix has been published for CVE-2021-31616 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-2021-31616 being exploited?
There is no known exploitation of CVE-2021-31616 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jjq4-78fg-7j7h.