Huawei eNSP Buffer Overflow

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  • Huawei eNSP version 1 suffers from a buffer overflow vulnerability that results in a denial of service condition.
    MD5 | ea0e5d03687dc7fb48390b25b9754758
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    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:  
    ========================  
    500a! - 1.000a!  
    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  
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    =========================  
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    Source: packetstormsecurity.com

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