CVE-2017-17300 : What You Need to Know
Learn about CVE-2017-17300 affecting Huawei S12700, S5700, S6700, S7700, S9700 devices. Discover the impact, technical details, and mitigation steps for this numeric errors vulnerability.
Huawei S12700, S5700, S6700, S7700, S9700 devices are vulnerable to numeric errors due to inadequate validation of specific TCP messages.
Understanding CVE-2017-17300
What is CVE-2017-17300?
The CVE-2017-17300 vulnerability affects Huawei devices, allowing remote unauthenticated attackers to trigger numeric errors by sending crafted TCP messages.
The Impact of CVE-2017-17300
The vulnerability can lead to device resets if successfully exploited, potentially causing disruption and downtime.
Technical Details of CVE-2017-17300
Vulnerability Description
The issue arises from improper validation of TCP messages with keychain authentication, resulting in numeric errors on affected devices.
Affected Systems and Versions
- Products: S12700, S5700, S6700, S7700, S9700
- Versions: S12700 V200R008C00, V200R009C00, S5700 V200R007C00, V200R008C00, V200R009C00, S6700 V200R008C00, V200R009C00, S7700 V200R008C00, V200R009C00, S9700 V200R008C00, V200R009C00
Exploitation Mechanism
Attackers can exploit the vulnerability by sending specific TCP messages with keychain authentication, triggering numeric errors due to inadequate message validation.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor-supplied patches promptly
- Implement network segmentation to limit exposure
- Monitor network traffic for suspicious activity
Long-Term Security Practices
- Regularly update and patch devices
- Conduct security training for staff
Patching and Updates
Ensure all affected devices are updated with the latest patches to mitigate the CVE-2017-17300 vulnerability.