2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
0.0004 Low
EPSS
Percentile
5.1%
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:
===============
Low
Authentication Type:
====================
Restricted Authentication (Guest Privileges)
User Interaction:
=================
No User Interaction
Disclosure Type:
================
Independent Security Research
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.
Proof of Concept (PoC):
=======================
https://www.vulnerability-lab.com/resources/pictures/2132/huawei_ensp.jpg
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 [[email protected]] - https://www.vulnerability-lab.com/show.php?user=S.AbenMassaoud
Disclaimer & Information:
=========================
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2.1 Low
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
0.0004 Low
EPSS
Percentile
5.1%