CVE-2020-15260 : What You Need to Know
Learn about CVE-2020-15260 affecting PJSIP versions <= 2.10. Discover the impact, technical details, and mitigation steps for this TLS connection reuse vulnerability.
PJSIP is a multimedia communication library with a vulnerability in versions <= 2.10 that allows insecure interaction without user awareness.
Understanding CVE-2020-15260
What is CVE-2020-15260?
In PJSIP version 2.10 and earlier, TLS connections can be reused without verifying the remote hostname, potentially leading to man-in-the-middle attacks.
The Impact of CVE-2020-15260
The vulnerability affects users requiring connections to different destinations that resolve to the same address, enabling unauthorized access and potential interception of communication.
Technical Details of CVE-2020-15260
Vulnerability Description
- PJSIP allows the reuse of TLS connections without proper remote hostname authentication.
Affected Systems and Versions
- Product: pjproject
- Vendor: pjsip
- Versions Affected: <= 2.10
Exploitation Mechanism
- Attack Complexity: HIGH
- Attack Vector: NETWORK
- Integrity Impact: HIGH
Mitigation and Prevention
Immediate Steps to Take
- Update PJSIP to a version that addresses the vulnerability.
- Implement network security measures to detect and prevent man-in-the-middle attacks.
Long-Term Security Practices
- Regularly monitor network traffic for suspicious activities.
- Enforce strict certificate validation policies.
- Educate users on secure communication practices.
Patching and Updates
- Apply patches provided by the vendor to fix the vulnerability.