CVE-2017-17250 : What You Need to Know
Learn about CVE-2017-17250 affecting Huawei AR series devices. Discover the impact, affected versions, and mitigation steps for this OSPF vulnerability.
A vulnerability affecting various Huawei devices could allow an unauthorized remote attacker to crash the system by sending abnormal OSPF messages.
Understanding CVE-2017-17250
What is CVE-2017-17250?
The vulnerability occurs when the affected device receives an abnormal OSPF message and a user executes a query command, leading to data being written beyond the intended buffer.
The Impact of CVE-2017-17250
The vulnerability could result in a system crash if successfully exploited by an unauthorized remote attacker.
Technical Details of CVE-2017-17250
Vulnerability Description
The vulnerability is classified as an out-of-bounds write issue.
Affected Systems and Versions
- Products: AR120-S, AR1200, AR1200-S, AR150, AR150-S, AR160, AR200, AR200-S, AR2200-S, AR3200, AR510, NetEngine16EX, SRG1300, SRG2300, SRG3300
- Versions: V200R005C32, V200R007C00
Exploitation Mechanism
The vulnerability is exploited by sending abnormal OSPF messages to the affected device.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by Huawei to address the vulnerability.
- Monitor network traffic for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security audits and assessments.
Patching and Updates
Ensure that all affected devices are updated with the latest patches from Huawei.