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CVE-2012-4203

Date: November 21, 2012

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.

Severity Score

Related Resources (17)

https://people.canonical.com/~ubuntu-security/cve/CVE-2012-4203
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.html
http://www.ubuntu.com/usn/USN-1638-3
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16503
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.html
https://nvd.nist.gov/vuln/detail/CVE-2012-4203
http://www.mozilla.org/security/announce/2012/mfsa2012-95.html
https://bugzilla.mozilla.org/show_bug.cgi?id=765628
http://www.ubuntu.com/usn/USN-1638-2
http://www.ubuntu.com/usn/USN-1638-1
http://secunia.com/advisories/51369
http://secunia.com/advisories/51434
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.html
http://secunia.com/advisories/51439
http://www.securityfocus.com/bid/56623
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.html
https://www.mend.io/vulnerability-database/CVE-2012-4203

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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