6.8
MEDIUM
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 :

Nov. 21, 2024, 1:42 a.m.

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2012-4203 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 Mozilla firefox
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.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html
http://secunia.com/advisories/51369
http://secunia.com/advisories/51434
http://secunia.com/advisories/51439
http://www.mozilla.org/security/announce/2012/mfsa2012-95.html Vendor Advisory
http://www.securityfocus.com/bid/56623
http://www.ubuntu.com/usn/USN-1638-1
http://www.ubuntu.com/usn/USN-1638-2
http://www.ubuntu.com/usn/USN-1638-3
https://bugzilla.mozilla.org/show_bug.cgi?id=765628
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16503
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html
http://secunia.com/advisories/51369
http://secunia.com/advisories/51434
http://secunia.com/advisories/51439
http://www.mozilla.org/security/announce/2012/mfsa2012-95.html Vendor Advisory
http://www.securityfocus.com/bid/56623
http://www.ubuntu.com/usn/USN-1638-1
http://www.ubuntu.com/usn/USN-1638-2
http://www.ubuntu.com/usn/USN-1638-3
https://bugzilla.mozilla.org/show_bug.cgi?id=765628
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16503

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.

  • 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
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-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.

Exploit Prediction

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

5.62 }} 0.09%

score

0.93458

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability