CVE-2019-9803
"Firefox Content Security Policy Upgrade-Insecure-Requests Man-in-the-Middle Vulnerability"
Description
The Upgrade-Insecure-Requests (UIR) specification states that if UIR is enabled through Content Security Policy (CSP), navigation to a same-origin URL must be upgraded to HTTPS. Firefox will incorrectly navigate to an HTTP URL rather than perform the security upgrade requested by the CSP in some circumstances, allowing for potential man-in-the-middle attacks on the linked resources. This vulnerability affects Firefox < 66.
INFO
Published Date :
April 26, 2019, 5:29 p.m.
Last Modified :
April 30, 2019, 11:51 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
2.2
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-2019-9803.
| URL | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1437009 | Issue Tracking Vendor Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1515863 | Issue Tracking Permissions Required Vendor Advisory |
| https://w3c.github.io/webappsec-upgrade-insecure-requests/ | Third Party Advisory |
| https://www.mozilla.org/security/advisories/mfsa2019-07/ | 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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2019-9803 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2019-9803 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 -
Initial Analysis by [email protected]
Apr. 30, 2019
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:N) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1437009 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1437009 Issue Tracking, Vendor Advisory Changed Reference Type https://w3c.github.io/webappsec-upgrade-insecure-requests/ No Types Assigned https://w3c.github.io/webappsec-upgrade-insecure-requests/ Third Party Advisory Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1515863 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1515863 Issue Tracking, Permissions Required, Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2019-07/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2019-07/ Vendor Advisory Added CWE CWE-346 Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 66.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2019-9803 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-2019-9803
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.16 }} 0.05%
score
0.51400
percentile