CVE-2018-20487

CVSS V2 High 9 CVSS V3 High 8.8
Description
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.
Overview
  • CVE ID
  • CVE-2018-20487
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-04-11T21:29:00
  • Last Modified Date
  • 2019-04-12T14:14:29
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:inteno:iopsys:*:*:*:*:*:*:*:* 1 OR 1.0 3.16
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9
  • Severity
  • HIGH
  • Exploitability Score
  • 8
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-20487
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20487
History
Created Old Value New Value Data Type Notes
2022-05-10 17:44:04 Added to TrackCVE
2022-12-03 19:34:21 2019-04-11T21:29Z 2019-04-11T21:29:00 CVE Published Date updated
2022-12-03 19:34:21 2019-04-12T14:14:29 CVE Modified Date updated
2022-12-03 19:34:21 Analyzed Vulnerability Status updated