The exploit could be delivered inside a targeted email, an Office document, a PDF or a targeted website. An attacker could exploit this vulnerability by delivering a malicious GIF/JPEG file to a user in an email, or opening a malicious Office file with a user who has the software installed. This attack vector is not limited to software. An attacker could exploit this vulnerability by delivering a malicious GIF/JPEG file to a user in a PDF file, or by visiting a malicious website. Furthermore, an attacker could exploit this vulnerability by sending a malicious email to a user, or by delivering a malicious PDF file to a user.
In order to exploit this vulnerability, an attacker needs to have access to the targeted user’s system. This vulnerability can be exploited remotely by an attacker. This vulnerability does not require the user to open a malicious file or visit a malicious website. An attacker could exploit this vulnerability by sending a malicious email to a user, or by delivering a malicious PDF file to a user.
Vulnerability overview
The vulnerability allows an attacker to execute code on the targeted machine.
An exploit for this vulnerability has been released publicly, and a proof-of-concept exploit can be found here:
https://github.com/jekyll/CVE-2022-33889.
Vulnerability details
The vulnerability allows an attacker to execute arbitrary code on the vulnerable system.
This vulnerability is remotely exploitable without user interaction.
This vulnerability affects all versions of the software in use.
Vulnerability Scenario
What if your business’s website was compromised? You would like to know if your website has been breached so that you can correct the problem.
One way to discover whether your website is vulnerable to exploit is through a vulnerability scanner. Vulnerability scanning software will check for potential vulnerabilities in the website and notify you of any problems. The scanner will also let you know which files are vulnerable, how many users have access, and what type of information can be accessed.
If your business's website does not contain any vulnerabilities, this software will show you that nothing was found and no changes should be made. If there are any vulnerabilities found, the scanner will provide instructions on how to patch them.
Vulnerability Description and Exfiltration
The vulnerability is found in the way that all systems of the targeted operating system read a malicious GIF/JPEG file. Specifically, when an application attempts to identify and display a GIF/JPEG file, it uses an old library called BMPEncoder.dll that was discontinued with Windows 7. In order to exploit this vulnerability, an attacker would need to send a malicious GIF/JPEG file to the targeted user through any method (email, Office document, PDF) and then convince the targeted user to open such a file.
Once exploited, the vulnerability would allow attackers to perform certain actions on affected systems without opening or visiting a malicious website or email. For example, attackers could trigger remote code execution on affected systems by sending a malicious Office document or PDF file. Furthermore, attackers could steal credentials from affected systems by sending a malicious email using the account registered on the targeted system.
Timeline
Published on: 10/03/2022 15:15:00 UTC
Last modified on: 10/05/2022 13:21:00 UTC