CVE-2012-4203
Mozilla Firefox Privileged JavaScript Execution Vulnerability
Description
The New Tab page in Mozilla Firefox before 17.0 uses a privileged context for execution of JavaScript code by bookmarklets, which allows user-assisted remote attackers to run arbitrary programs by leveraging a javascript: URL in a bookmark.
INFO
Published Date :
Nov. 21, 2012, 12:55 p.m.
Last Modified :
April 11, 2025, 12:51 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] |
Solution
- Update the affected Firefox packages to a version 17.0 or later.
- Update the affected xulrunner packages.
- Update the affected xul-ext-ubufox package.
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-2012-4203.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2012-4203 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-2012-4203
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-2012-4203 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2012-4203 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.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html Added Reference http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html Added Reference http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html Added Reference http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html Added Reference http://secunia.com/advisories/51369 Added Reference http://secunia.com/advisories/51434 Added Reference http://secunia.com/advisories/51439 Added Reference http://www.mozilla.org/security/announce/2012/mfsa2012-95.html Added Reference http://www.securityfocus.com/bid/56623 Added Reference http://www.ubuntu.com/usn/USN-1638-1 Added Reference http://www.ubuntu.com/usn/USN-1638-2 Added Reference http://www.ubuntu.com/usn/USN-1638-3 Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=765628 Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16503 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Sep. 19, 2017
Action Type Old Value New Value Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:16503 [No Types Assigned] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16503 [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 21, 2012
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 6.8
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
2.47 }} 0.69%
score
0.84468
percentile