CVE-2017-17131 Explained : Impact and Mitigation
Learn about CVE-2017-17131 affecting Huawei models DP300, RP200, TE30, TE50, TE60, VP9660. Discover the impact, affected systems, exploitation method, and mitigation steps.
Huawei models DP300, RP200, TE30, TE50, TE60, VP9660 are vulnerable to a DoS attack due to a parameter validation issue when loading a putty comment key.
Understanding CVE-2017-17131
This CVE involves a denial-of-service vulnerability in various Huawei models.
What is CVE-2017-17131?
The vulnerability allows an authenticated remote attacker to trigger an infinite loop by injecting a malformed putty key file, leading to a system reboot.
The Impact of CVE-2017-17131
The vulnerability can result in a denial of service, causing system downtime and potential disruption of services.
Technical Details of CVE-2017-17131
This section provides technical insights into the vulnerability.
Vulnerability Description
The vulnerability stems from inadequate validation of parameters when loading a putty comment key.
Affected Systems and Versions
- DP300 V500R002C00
- RP200 V500R002C00
- V600R006C00
- TE30 V100R001C10
- TE50 V600R006C00
- TE60 V100R001C10
- V500R002C00
- VP9660 V500R002C10
Exploitation Mechanism
An attacker can exploit this vulnerability by injecting a malformed putty key file, causing an infinite loop and system reboot.
Mitigation and Prevention
Protect systems from CVE-2017-17131 with these strategies.
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Monitor network traffic for signs of exploitation.
- Restrict access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch systems.
- Conduct security training for system administrators.
- Implement network segmentation to limit the attack surface.
Patching and Updates
Ensure all affected systems are updated with the latest patches to mitigate the vulnerability.