CVE-2019-19680 : What You Need to Know
Learn about CVE-2019-19680 affecting Proofpoint Enterprise Protection (PPS / PoD) versions up to 8.9.22 and 8.14.2. Attackers can exploit this vulnerability by sending non-compliant multipart emails to bypass security measures.
Proofpoint Enterprise Protection (PPS / PoD) versions up to 8.9.22 and 8.14.2 are exposed to a vulnerability that involves filtering file extensions, allowing attackers to bypass protection mechanisms.
Understanding CVE-2019-19680
Proofpoint Enterprise Protection (PPS / PoD) is susceptible to a file-extension filtering vulnerability that can be exploited by attackers to circumvent security measures.
What is CVE-2019-19680?
The vulnerability in Proofpoint Enterprise Protection (PPS / PoD) versions up to 8.9.22 and 8.14.2 enables attackers to evade protection mechanisms by sending non-compliant multipart emails.
The Impact of CVE-2019-19680
Attackers can bypass security controls related to file extensions, MIME types, virus detection, and journal entries for transmitted files, potentially leading to unauthorized access or data compromise.
Technical Details of CVE-2019-19680
Proofpoint Enterprise Protection (PPS / PoD) vulnerability details and affected systems.
Vulnerability Description
The vulnerability allows attackers to send malformed multipart emails that do not adhere to RFC standards, enabling them to bypass security controls in PPS.
Affected Systems and Versions
- Proofpoint Enterprise Protection (PPS / PoD) versions up to 8.9.22 and 8.14.2
Exploitation Mechanism
- Attackers exploit the vulnerability by sending multipart emails that do not comply with RFC standards, evading protection measures in PPS.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2019-19680 vulnerability.
Immediate Steps to Take
- Apply the necessary patches provided by Proofpoint to address the vulnerability.
Long-Term Security Practices
- Regularly update and patch Proofpoint Enterprise Protection (PPS / PoD) to prevent exploitation of known vulnerabilities.
- Educate users on email security best practices to avoid falling victim to email-based attacks.
Patching and Updates
- Stay informed about security advisories and updates from Proofpoint to promptly address any security vulnerabilities.