Document Title: =============== Huawei eNSP v1 - Buffer Overflow (DoS) Vulnerability References (Source): ==================== https://www.vulnerability-lab.com/get_content.php?id=2132 Security ID: huawei-sa-20180309-01-ensp https://nvd.nist.gov/vuln/detail/CVE-2017-17321 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17321 Acknowledgements: https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180309-01-ensp-en http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-17321 CVE-ID: ======= CVE-2017-17321 Release Date: ============= 2018-07-13 Vulnerability Laboratory ID (VL-ID): ==================================== 2132 Common Vulnerability Scoring System: ==================================== 3.3 Vulnerability Class: ==================== Buffer Overflow Current Estimated Price: ======================== 500€ - 1.000€ Product & Service Introduction: =============================== Enterprise Network Simulation Platform (eNSP) is a free, scalable, and graphic network simulation platform developed by Huawei. Huawei eNSP is a management and support software as service. (Copy of the Homepage: https://support.huawei.com/enterprise/en/network-management/ensp-pid-9017384 ) Abstract Advisory Information: ============================== The vulnerability laboratory core research team discovered a buffer overflow causing a denial of service in the official Huawei eNSP v1. Vulnerability Disclosure Timeline: ================================== 2018-07-13: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== Huawei Product: eNSP v100R002C00B510 v100R002C00B500 Huawei Product: eNSP V100R002C00B390 V100R002C00B380 V100R002C00B370 V100R002C00B Huawei Product: eNSP V100R002C00B210 V100R002C00B200 Huawei Product: eNSP V100R002C00B120 V100R002C00B110 V100R002C00B100 Exploitation Technique: ======================= Local Severity Level: =============== Medium Authentication Type: ==================== Restricted authentication (user/moderator) - User privileges User Interaction: ================= No User Interaction Disclosure Type: ================ Responsible Disclosure Program Technical Details & Description: ================================ A buffer overflow causing a denial of service vulnerability has been discovered in the official Huawei eNSP v1. The vulnerability allows to an attacker to crash or shutdown the software process by unexpected behavior. Huawei eNSP is vulnerable to a buffer overflow resulting in a denial of service, caused by improper validation of specific command line parameter. A local authenticated attacker could exploit the vulnerability to cause the software process to become abnormal with unexpected behavior and unhandled errors by sending a special crafted paket requests. Solution - Fix & Patch: ======================= Huawei has released software updates to fix this security vulnerability. Customers of the product should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades contents. This advisory is available at the following link: http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180309-01-ensp-en Security Risk: ============== The security risk of the buffer overflow causing a denial of service and unhandled unexpected errors in the huawei ensp v1 is estimated as medium. Credits & Authors: ================== S.AbenMassaoud [Vulnerability Laboratory Core Research Team] - https://www.vulnerability-lab.com/show.php?user=S.AbenMassaoud Disclaimer & Information: ========================= The information provided in this advisory is provided as it is without any warranty. Vulnerability Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. 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