CVE-2017-15341 Explained : Impact and Mitigation
Learn about CVE-2017-15341 affecting Huawei AR3200, TE40, TE50, TE60 devices. Discover the impact, technical details, and mitigation steps for this denial of service vulnerability.
Huawei AR3200 V200R008C20, V200R008C30, TE40 V600R006C00, TE50 V600R006C00, TE60 V600R006C00 have a denial of service vulnerability due to improper decoding of X.509 certificates. An attacker could exploit this vulnerability to render the device unavailable.
Understanding CVE-2017-15341
This CVE involves a denial of service vulnerability in Huawei devices AR3200, TE40, TE50, and TE60.
What is CVE-2017-15341?
The vulnerability arises from the incorrect decoding of X.509 certificates by the affected Huawei software, allowing an unauthenticated attacker to send a malicious certificate, potentially leading to a denial of service.
The Impact of CVE-2017-15341
If successfully exploited, this vulnerability could result in the device becoming unavailable, causing a denial of service.
Technical Details of CVE-2017-15341
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in Huawei AR3200, TE40, TE50, and TE60 devices stems from the improper decoding of X.509 certificates by the software.
Affected Systems and Versions
- Affected Products: AR3200, TE40, TE50, TE60
- Vulnerable Versions: AR3200 V200R008C20, V200R008C30, TE40 V600R006C00, TE50 V600R006C00, TE60 V600R006C00
Exploitation Mechanism
An attacker can exploit this vulnerability by sending a specially crafted X.509 certificate to the device, causing a denial of service.
Mitigation and Prevention
Protecting against and addressing the CVE-2017-15341 vulnerability.
Immediate Steps to Take
- Apply vendor-supplied patches promptly to mitigate the vulnerability.
- Monitor network traffic for signs of exploitation.
- Implement strong network access controls to limit exposure.
Long-Term Security Practices
- Regularly update and patch all software and firmware on Huawei devices.
- Conduct security assessments and penetration testing to identify and address vulnerabilities.
Patching and Updates
- Stay informed about security advisories from Huawei and apply patches as soon as they are available.