CVE-2022-27790 : What You Need to Know
Learn about CVE-2022-27790 affecting Adobe Acrobat Reader DC versions, allowing remote code execution. Understand the impact, technical details, and mitigation steps.
Adobe Acrobat Reader DC Font Parsing Use-After-Free Remote Code Execution Vulnerability
Understanding CVE-2022-27790
This CVE refers to a use-after-free vulnerability in Adobe Acrobat Reader DC versions 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier. Exploiting this vulnerability could lead to arbitrary code execution in the context of the current user.
What is CVE-2022-27790?
Acrobat Reader DC versions are affected by a use-after-free vulnerability in font processing, requiring user interaction to open a malicious file to exploit it.
The Impact of CVE-2022-27790
With a CVSS base score of 7.8, this vulnerability has a high severity level with potential high impacts on confidentiality, integrity, and availability. While no privileges are required, user interaction is needed for exploitation.
Technical Details of CVE-2022-27790
Vulnerability Description
The vulnerability arises from improper handling of font processing, leading to a use-after-free scenario that could allow threat actors to execute arbitrary code.
Affected Systems and Versions
Adobe Acrobat Reader DC versions 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier are affected by this vulnerability.
Exploitation Mechanism
To exploit the CVE-2022-27790 vulnerability, an attacker would need a victim to open a specifically crafted malicious file to trigger the use-after-free condition.
Mitigation and Prevention
Immediate Steps to Take
It is recommended to update Adobe Acrobat Reader DC to the latest version available and avoid opening files from untrusted or unknown sources to mitigate the risk of exploitation.
Long-Term Security Practices
Regularly update software and applications to patch known vulnerabilities. Implement robust security measures and practices to prevent and detect potential threats.
Patching and Updates
Adobe has released security updates to address this vulnerability. Users should apply the latest patches provided by Adobe to protect their systems.