OS Command Injection in Ruckus R500 - CVE-2020-8438
Published: January 30, 2020
Vulnerability identifier: #VU24777
CSH Severity: Medium
CVSS v4.0: 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/E:P/U:Green
CVE-ID: CVE-2020-8438
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Ruckus Networks
Affected software:
Ruckus R500
Ruckus R500
Detailed vulnerability description
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.
How to mitigate CVE-2020-8438
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.