CVE Vulnerability

CVE-2018-20487

An issue was discovered in the firewall3 component in Inteno IOPSYS 1.0 through 3.16. The attacker must make a JSON-RPC method call to add a firewall rule as an "include" and point the "path" argument to a malicious script or binary. This gets executed as root when the firewall changes are committed.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://neonsea.uk/blog/2018/12/26/firewall-includes.html Exploit Third Party Advisory
http://public.inteno.se/?p=feed-inteno-openwrt.git;a=commit;h=e6159ca928d7f0c143be213afc6bf810c0329fe2 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:inteno:iopsys:*:*:*:*:*:*:*:*
Information

Published : 2019-04-11 09:29

Updated : 2019-04-12 02:14

NVD link : CVE-2018-20487

Mitre link : CVE-2018-20487

Products Affected
No products.
CWE
CWE-20