Integer overflow in Amazon Kindle
CVE-2021-30354
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.
EPSS: 0.070 (93.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Amazon Kindle
- Amazon Kindle_firmware
- N/a Amazon Kindle E-reader — versions All versions prior to and including 5.13.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@checkpoint.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-30354?
- CVE-2021-30354 is a high-severity vulnerability in Amazon Kindle, classified under Integer Overflow to Buffer Overflow. CVSS score: 8.6/10. Published 2021-09-01.
- How severe is CVE-2021-30354?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2021-30354 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.