CVE-2022-27797 : Vulnerability Insights and Analysis
Learn about CVE-2022-27797 impacting Adobe Acrobat Reader DC. Understand the vulnerability, its impact, affected versions, and mitigation steps. Stay protected with security updates.
Adobe Acrobat Reader DC Annotation Use-After-Free Remote Code Execution Vulnerability
Understanding CVE-2022-27797
Adobe Acrobat Reader DC versions 22.001.20085 (and earlier), 20.005.3031x (and earlier), and 17.012.30205 (and earlier) are vulnerable to a use-after-free flaw in processing annotations, potentially leading to arbitrary code execution in the context of the current user.
What is CVE-2022-27797?
CVE-2022-27797 is a high severity vulnerability in Adobe Acrobat Reader DC that allows an attacker to execute arbitrary code by exploiting a use-after-free issue related to annotations processing.
The Impact of CVE-2022-27797
The impact of this vulnerability is significant, with a CVSS base score of 7.8 (High). It can result in a remote attacker executing arbitrary code in the context of the victim user, leading to potential confidentiality, integrity, and availability impacts.
Technical Details of CVE-2022-27797
Vulnerability Description
The vulnerability is categorized as a use-after-free flaw (CWE-416) that occurs in the processing of annotations in Adobe Acrobat Reader DC versions specified above. Successful exploitation requires user interaction, where the victim opens a malicious file.
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 confirmed to be impacted by this vulnerability.
Exploitation Mechanism
To exploit CVE-2022-27797, an attacker must craft a malicious file and entice the victim to open it. User interaction is necessary for the exploit to be successful.
Mitigation and Prevention
Immediate Steps to Take
Adobe has released a security update to address this vulnerability. Users are strongly advised to update their Adobe Acrobat Reader DC installations to the latest patched versions to mitigate the risk of exploitation.
Long-Term Security Practices
To enhance security posture, users should exercise caution when opening files from untrusted sources and ensure that their software applications are regularly updated to prevent potential security risks.
Patching and Updates
Refer to Adobe's security advisory at Adobe Security Bulletin APSB22-16 for detailed information on the vulnerability and guidance on applying the necessary patches.