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Date: Fri, 13 Jul 2018 16:19:36 +0200
From: Vulnerability Lab <>
Subject: Huawei eNSP v1 - Buffer Overflow (DoS) Vulnerability

Document Title:
Huawei eNSP v1 - Buffer Overflow (DoS) Vulnerability

References (Source):

Security ID: huawei-sa-20180309-01-ensp



Release Date:

Vulnerability Laboratory ID (VL-ID):

Common Vulnerability Scoring System:

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:

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:

Affected Product(s):
Product: eNSP v100R002C00B510 v100R002C00B500

Product: eNSP V100R002C00B390 V100R002C00B380 V100R002C00B370 V100R002C00B

Product: eNSP V100R002C00B210 V100R002C00B200

Product: eNSP V100R002C00B120 V100R002C00B110 V100R002C00B100

Exploitation Technique:

Severity Level:

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

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] -

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. Vulnerability-Lab
or its suppliers are not liable in any case of damage, including direct,
indirect, incidental, consequential loss of business profits
or special damages, even if Vulnerability-Lab or its suppliers have been
advised of the possibility of such damages. Some states do
not allow the exclusion or limitation of liability for consequential or
incidental damages so the foregoing limitation may not apply.
We do not approve or encourage anybody to break any licenses, policies,
deface websites, hack into databases or trade with stolen data.


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