CVE-2019-18992: XSS

Published Dec 3, 2019

Updated

OpenWrt 18.06.4 allows XSS via these Name fields to the cgi-bin/luci/admin/network/firewall/rules URI: "Open ports on router" and "New forward rule" and "New Source NAT" (this can occur, for example, on a TP-Link Archer C7 device).

Affected Software

1 affected component

OpenWrt OpenWrt=18.06.4

Remediation

Patch Available

https://github.com/openwrt/luci/commit/3961268597abba4c2b231790cb4aa7936e73cdf8

Event History

Dec 3, 2019

CVE Published

via MITRE·07:32 PM

Data Sourced

via MITRE·07:32 PM

Description

Frequently Asked Questions

What is the vulnerability ID for this OpenWrt vulnerability?

The vulnerability ID for this OpenWrt vulnerability is CVE-2019-18992.

What is the severity of CVE-2019-18992?

The severity of CVE-2019-18992 is medium with a CVSS score of 5.4.

How can an attacker exploit this vulnerability?

An attacker can exploit this vulnerability by injecting malicious code into the Name field of certain URIs in OpenWrt 18.06.4, leading to cross-site scripting (XSS).

Which Name fields are affected by this vulnerability?

The Name fields affected by this vulnerability are the ones in the cgi-bin/luci/admin/network/firewall/rules URI, specifically "Open ports on router", "New forward rule", and "New Source NAT".

Is there a fix available for CVE-2019-18992?

Yes, a fix for CVE-2019-18992 is available. Updating to a version of OpenWrt that includes the fix is recommended.