VulnerabilityModified
CVE-2018-20487
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.
HIGH 8.8EPSS 1.87%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.87% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- inteno/iopsys
- Source
- cve@mitre.org
References
- http://public.inteno.se/?p=feed-inteno-openwrt.git%3Ba=commit%3Bh=e6159ca928d7f0c143be213afc6bf810c0329fe2
- https://neonsea.uk/blog/2018/12/26/firewall-includes.htmlExploit, Third Party Advisory
- http://public.inteno.se/?p=feed-inteno-openwrt.git%3Ba=commit%3Bh=e6159ca928d7f0c143be213afc6bf810c0329fe2
- https://neonsea.uk/blog/2018/12/26/firewall-includes.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.