#VU26603 Buffer overflow


Published: 2020-04-06 | Updated: 2022-09-27

Vulnerability identifier: #VU26603

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2020-6994

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HiOS
Operating systems & Components / Operating system
HiSecOS
Operating systems & Components / Operating system

Vendor: Belden Inc.

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when parsing URL arguments. A remote attacker can send a pecially crafted HTTP request, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

This vulnerability affects the following devices using HiOS:

  • RSP, RSPE, RSPS, RSPL, MSP, EES, EES, EESX, GRS, OS, RED    

  • And devices using HiSecOS:

  • EAGLE20/30
  • Mitigation
    Install updates from vendor's website.

    Vulnerable software versions

    HiOS: 07.0.02

    HiSecOS: 03.2.00


    CPE

    External links
    http://www.us-cert.gov/ics/advisories/icsa-20-091-01
    http://www.belden.com/hubfs/support/security/bulletins/Belden_Security_Bulletin_BSECV-2020-01_1v2_FINAL.pdficsa-22-270-01


    Q & A

    Can this vulnerability be exploited remotely?

    Is there known malware, which exploits this vulnerability?


    Latest bulletins with this vulnerability