Security feature bypass in NoScript - #VU14742
Published: September 11, 2018
Vulnerability identifier: #VU14742
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security features.
The vulnerability exists due to an error when processing "Content-Type" header. A remote attacker can bypass restrictions imposed by the NoScript browser extension via "text/html;/json" value for the "Content-Type" header and execute arbitrary JavaScript code in browser. The vulnerable extension is used by Tor and Firefox ESR browsers.
Affected software
NoScript
Remediation
Update to version 5.1.8.7.
NoScript - update to 5.1.8.7