CVE-2017-17218 : Security Advisory and Response
Learn about CVE-2017-17218, a vulnerability in Huawei devices' SCCPX module allowing remote attackers to disrupt services. Find mitigation steps and patching advice here.
A vulnerability in the SCCPX module of various Huawei devices allows remote attackers to create malformed packets, potentially leading to a denial of service.
Understanding CVE-2017-17218
This CVE involves an out-of-bounds read vulnerability in Huawei devices due to insufficient packet validation.
What is CVE-2017-17218?
The vulnerability in the SCCPX module of Huawei devices enables unauthenticated remote attackers to disrupt services by crafting specific malformed packets.
The Impact of CVE-2017-17218
- Unauthenticated remote attackers can exploit the vulnerability to disrupt services on affected Huawei devices.
- The issue may lead to a denial of service, impacting the availability of the affected product's services.
Technical Details of CVE-2017-17218
The vulnerability affects various Huawei devices due to insufficient validation of packets.
Vulnerability Description
- The SCCPX module in Huawei devices is susceptible to an out-of-bounds read vulnerability.
- Attackers can exploit this by crafting malformed packets with specific parameters.
Affected Systems and Versions
- DP300 V500R002C00
- RP200 V500R002C00
- TE30 V100R001C10, V500R002C00, V600R006C00
- TE40 V500R002C00, V600R006C00
- TE50 V500R002C00, V600R006C00
- TE60 V100R001C10, V500R002C00, V600R006C00
Exploitation Mechanism
- Attackers create malformed packets with specific parameters to exploit the vulnerability.
Mitigation and Prevention
Steps to address and prevent the CVE-2017-17218 vulnerability.
Immediate Steps to Take
- Apply security patches provided by Huawei promptly.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any signs of malicious activity.
Long-Term Security Practices
- Regularly update and patch all Huawei devices to mitigate known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address weaknesses.
Patching and Updates
- Stay informed about security advisories from Huawei and apply patches as soon as they are available.