CVE-2020-8438 — HIGH (7.2) — White Hats Nepal

Vulnerability Description

Ruckus ZoneFlex R500 104.0.0.0.1347 devices allow an authenticated attacker to execute arbitrary OS commands via the hidden /forms/nslookupHandler form, as demonstrated by the nslookuptarget=|cat${IFS} substring.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Arris	Ruckus Zoneflex R500 Firmware	104.0.0.0.1347
Arris	Ruckus Zoneflex R500	-

Related Weaknesses (CWE)

CWE-78

References

https://sku11army.blogspot.com/2020/01/ruckus-rce-ruckus-m500-via-injection-on.hExploitThird Party Advisory
https://sku11army.blogspot.com/2020/01/ruckus-rce-ruckus-m500-via-injection-on.hExploitThird Party Advisory

FAQ

What is CVE-2020-8438?

CVE-2020-8438 is a vulnerability with a CVSS score of 7.2 (HIGH). Ruckus ZoneFlex R500 104.0.0.0.1347 devices allow an authenticated attacker to execute arbitrary OS commands via the hidden /forms/nslookupHandler form, as demonstrated by the nslookuptarget=|cat${IFS...

How severe is CVE-2020-8438?

CVE-2020-8438 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-8438?

Check the references section above for vendor advisories and patch information. Affected products include: Arris Ruckus Zoneflex R500 Firmware, Arris Ruckus Zoneflex R500.