CVE-2018-18495
Firefox WebExtension Permission Bypass
Description
WebExtension content scripts can be loaded into about: pages in some circumstances, in violation of the permissions granted to extensions. This could allow an extension to interfere with the loading and usage of these pages and use capabilities that were intended to be restricted from extensions. This vulnerability affects Firefox < 64.
INFO
Published Date :
Feb. 28, 2019, 6:29 p.m.
Last Modified :
Aug. 24, 2020, 5:37 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2018-18495 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2018-18495.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/106167 | Third Party Advisory VDB Entry |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1427585 | Issue Tracking Permissions Required Vendor Advisory |
| https://usn.ubuntu.com/3844-1/ | Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2018-29/ | Vendor 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).
CWE chaining concept and tools
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-18495 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-18495 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]
Aug. 24, 2020
Action Type Old Value New Value Changed CWE CWE-275 CWE-732 -
Initial Analysis by [email protected]
Mar. 01, 2019
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Changed Reference Type http://www.securityfocus.com/bid/106167 No Types Assigned http://www.securityfocus.com/bid/106167 Third Party Advisory, VDB Entry Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1427585 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1427585 Issue Tracking, Permissions Required, Vendor Advisory Changed Reference Type https://usn.ubuntu.com/3844-1/ No Types Assigned https://usn.ubuntu.com/3844-1/ Third Party Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2018-29/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2018-29/ Vendor Advisory Added CWE CWE-275 Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 64.0 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 01, 2019
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/3844-1/ [No Types Assigned] Added Reference http://www.securityfocus.com/bid/106167 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-18495 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-2018-18495
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.18 }} -0.08%
score
0.55424
percentile