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[email protected]NVD:CVE-2018-20487

HistoryApr 11, 2019 - 9:29 p.m.

CVE-2018-20487

2019-04-1121:29:00

CWE-20

[email protected]

web.nvd.nist.gov

vulnerability

inteno iopsys

firewall

json-rpc

root access

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

44.5%

JSON

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.

Affected configurations

Nvd

Node

intenoiopsysRange1.0–3.16

VendorProductVersionCPE
intenoiopsys*cpe:2.3:a:inteno:iopsys:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
inteno	iopsys	*	cpe:2.3:a:inteno:iopsys::::::::

References

public.inteno.se/?p=feed-inteno-openwrt.git%3Ba=commit%3Bh=e6159ca928d7f0c143be213afc6bf810c0329fe2

neonsea.uk/blog/2018/12/26/firewall-includes.html

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.5

Confidence

High

EPSS

0.001

Percentile

44.5%

JSON

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