CVE-2021-30354 Integer overflow in Amazon Kindle e-reader
An integer overflow in the Kindle e-reader allows remote code execution via a crafted PDF file, requiring users to update their device firmware.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-30354?
CVE-2021-30354 is a high-severity vulnerability in Amazon Kindle e-reader, published on 1 Sep 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Amazon Kindle e-reader prior to and including version 5.13.4 contains an Integer Overflow that leads to a Heap-Based Buffer Overflow in function CJBig2Image::expand() and results in a memory corruption that leads to code execution when parsing a crafted PDF book.
Which versions are affected by CVE-2021-30354?
It affects 1 product.
Products include Amazon Kindle Firmware.
How do I fix CVE-2021-30354?
No fix has been published for CVE-2021-30354 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-30354 being exploited?
There is no known exploitation of CVE-2021-30354 in the wild and no public exploit code.
Other vulnerabilities in Amazon Kindle e-reader
Sources
Also known as GHSA-66c4-8x32-4mx8.