#VU26603 Buffer overflow in HiOS and HiSecOS - CVE-2020-6994

 

#VU26603 Buffer overflow in HiOS and HiSecOS - CVE-2020-6994

Published: April 6, 2020 / Updated: September 27, 2022


Vulnerability identifier: #VU26603
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-6994
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
HiOS
HiSecOS
Software 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

  • Remediation

    Install updates from vendor's website.

    External links