OS Command Injection in Ruckus R500 - CVE-2020-8438

 

OS Command Injection in Ruckus R500 - CVE-2020-8438

Published: January 30, 2020


Vulnerability identifier: #VU24777
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-8438
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to insufficient validation of user-supplied input in the hidden "/forms/nslookupHandler" form, as demonstrated by the "nslookuptarget=|cat${IFS}" substring. A remote administrator can execute arbitrary OS commands on the target system.

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


Affected software

Ruckus R500

How to mitigate CVE-2020-8438

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


External References

Related Security Bulletins