Aleksandar Nikolic of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw.
Google Chrome's PDFium feature could be exploited by an adversary to corrupt memory and potentially execute remote code. Chrome is a popular, free web browser available on all operating
systems. PDFium allows users to open PDFs inside Chrome. We recently discovered a bug that would allow an adversary to send a malicious web page to a user, and then cause out-of-bounds memory access.
In accordance with our coordinated disclosure policy, Cisco Talos worked with Google to ensure that these issues are resolved and that an update is available for affected customers.
Read the complete vulnerability advisory here for additional information.
Talos tested and confirmed that Google Chrome, version 83.0.4103.61 is affected by this vulnerability.
The following SNORTⓇ rules will detect exploitation attempts. Note that additional rules may be released at a future date and current rules are subject to change pending additional vulnerability information. For the most current rule information, please refer to your Firepower Management Center or Snort.org.
Snort Rules: 54282 - 54283