9.8
CRITICAL
CVE-2018-16983
Tor Browser NoScript MIME Type Injection Vulnerability
Description

NoScript Classic before 5.1.8.7, as used in Tor Browser 7.x and other products, allows attackers to bypass script blocking via the text/html;/json Content-Type value.

INFO

Published Date :

Sept. 13, 2018, 4:29 a.m.

Last Modified :

Oct. 3, 2019, 12:03 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2018-16983 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Noscript noscript
1 Torproject tor_browser
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-16983.

URL Resource
https://noscript.net/getit#classic Release Notes
https://twitter.com/Zerodium/status/1039127214602641409 Third Party Advisory
https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/ Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-16983 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-16983 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-254 CWE-254 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Nov. 30, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://noscript.net/getit#classic No Types Assigned https://noscript.net/getit#classic Release Notes
    Changed Reference Type https://twitter.com/Zerodium/status/1039127214602641409 No Types Assigned https://twitter.com/Zerodium/status/1039127214602641409 Third Party Advisory
    Changed Reference Type https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/ No Types Assigned https://www.zdnet.com/article/exploit-vendor-drops-tor-browser-zero-day-on-twitter/ Third Party Advisory
    Added CWE CWE-254
    Added CPE Configuration OR *cpe:2.3:a:noscript:noscript:*:*:*:*:*:*:*:* versions up to (excluding) 5.1.8.7
    Added CPE Configuration OR *cpe:2.3:a:torproject:tor_browser:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (including) 7.0.11
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-16983 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-16983 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.24 }} -0.09%

score

0.64634

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability