CVE-2020-6823
Mozilla Firefox Authorization Code Injection Vulnerability
Description
A malicious extension could have called <code>browser.identity.launchWebAuthFlow</code>, controlling the redirect_uri, and through the Promise returned, obtain the Auth code and gain access to the user's account at the service provider. This vulnerability affects Firefox < 75.
INFO
Published Date :
April 24, 2020, 4:15 p.m.
Last Modified :
Nov. 21, 2024, 5:36 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | HIGH | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Upgrade to Mozilla Firefox version 75.0 or later.
- Update the affected packages.
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-2020-6823.
| URL | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1614919 | Issue Tracking Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-12/ | Third Party Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1614919 | Issue Tracking Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2020-12/ | Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-6823 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-2020-6823
weaknesses.
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-2020-6823 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-6823 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=1614919 Added Reference https://www.mozilla.org/security/advisories/mfsa2020-12/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-269 CWE-862 -
Initial Analysis by [email protected]
May. 01, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1614919 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1614919 Issue Tracking, Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2020-12/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2020-12/ Third Party Advisory Added CWE NIST CWE-269 Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 75.0
Vulnerability Scoring Details
Base CVSS Score: 9.8
Base CVSS Score: 7.5
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.70 }} -0.02%
score
0.71157
percentile