An attacker can inject malicious PDFs or trick victims into opening them, resulting in a potential crash or denial-of-service attack. To avoid getting duped into opening malicious PDFs, always be wary of emails that offer large attachments with links. If you must open large PDF files, make sure to set appropriate permissions on them. LUDa doesn’t recommend doing this on your own. If you must open large PDF files, do so only in organizations that have the necessary policies in place to protect you.
How LUDa Detects PDF Vulnerabilities
LUDa has comprehensive antivirus software that can identify malicious PDF files. As a result, LUDa’s customers are protected from various threats like denial-of-service attacks, which can happen when an attacker rams your machine with malicious PDFs. To avoid getting duped into opening malicious PDFs and triggering a denial-of-service attack, be wary of emails that offer large attachments with links.
If you must open large PDF files, do so only in organizations that have the necessary policies in place to protect you.
CVE-2021-37822
An attacker can use shellcode to inject malicious code into a PDF document in the form of an image. This is not only possible, but also quite simple: LUDa doesn’t recommend doing this on your own. If you must open large PDF files, do so only in organizations that have the necessary policies in place to protect you.
Vulnerability: Adobe Acrobat Reader DC Continuous Cue ing
A vulnerability that affects Adobe Acrobat Reader DC Continuous Cueing has been discovered. This vulnerability allows an attacker to make a PDF file crash.
This flaw is the latest example of how malicious attackers are using vulnerabilities in software programs to attack unsuspecting targets.
While the severity of this particular vulnerability is fairly low, it's important for everyone to be aware and take precautions when opening files from unfamiliar sources, especially if you're concerned about your personal privacy.
Timeline
Published on: 09/09/2022 22:15:00 UTC
Last modified on: 09/15/2022 03:36:00 UTC