CVE-2024-45552
Remediation / Mitigation Strategy: CVE-2024-45552
Vulnerability Description: Information disclosure may occur during a video call if a device resets due to a non-conforming RTCP packet that doesn’t adhere to RFC standards.
Severity: High (CVSS v3.1 Score: 8.2)
- Attack Vector (AV): Network (N)
- Attack Complexity (AC): Low (L)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): None (N)
- Availability (A): None (N)
Known Exploit: Currently, no specific exploit code is publicly available. However, the vulnerability description outlines the attack vector, indicating a potential for remote exploitation.
Remediation/Mitigation Strategy:
Vendor Patching: The primary remediation strategy is to apply the official patch or firmware update released by Qualcomm (or the device manufacturer incorporating Qualcomm components) when it becomes available. This patch should address the RTCP packet processing logic and ensure adherence to RFC standards. Monitor Qualcomm’s security bulletins and your device manufacturer’s update channels for releases.
Input Validation: Implement robust input validation and sanitization for RTCP packets. This should be done within the video call application or the underlying communication stack. Ensure that RTCP packets are rigorously checked against RFC specifications before processing. Any non-conforming packets should be discarded or handled gracefully without causing a device reset.
Rate Limiting: Implement rate limiting for RTCP packets to prevent potential denial-of-service attacks that could trigger the vulnerability.
Error Handling: Enhance error handling routines in the video call application and underlying communication stack to gracefully handle malformed or non-conforming RTCP packets. Log errors and provide informative messages without causing a system reset.
Network Monitoring: Monitor network traffic for anomalous RTCP packet patterns. Implement intrusion detection systems (IDS) or intrusion prevention systems (IPS) to identify and block potentially malicious RTCP packets.
Fuzz Testing: Conduct thorough fuzz testing of the RTCP packet processing logic using a variety of malformed and non-conforming packets. This can help identify edge cases and further improve the robustness of the code.
Disable Unnecessary Features: If feasible, temporarily disable or restrict the use of video calling features that rely on RTCP packets until a patch can be applied. Consider alternative communication methods that do not use RTCP for real-time control.
User Awareness: Educate users about the potential vulnerability and encourage them to keep their devices updated with the latest security patches. Advise them to be cautious about accepting video calls from unknown or untrusted sources until a patch is deployed.
Contact Qualcomm/Device Manufacturer: Contact Qualcomm or the device manufacturer’s security team directly for more detailed technical information and specific recommendations for mitigation tailored to the affected device.
Monitoring:
- Continuously monitor for updated information from Qualcomm regarding the vulnerability and any available patches.
- Monitor system logs for any unexpected resets or errors related to RTCP packet processing.
- Monitor network traffic for suspicious RTCP packet patterns.
Assigner
- Qualcomm, Inc. [email protected]
Date
- Published Date: 2025-04-07 10:15:46
- Updated Date: 2025-04-07 14:17:50