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mozillaMozilla FoundationMFSA2012-95
HistoryNov 20, 2012 - 12:00 a.m.

Javascript: URLs run in privileged context on New Tab page — Mozilla

2012-11-2000:00:00
Mozilla Foundation
www.mozilla.org
24

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

0.055

Percentile

93.3%

Security researcher [email protected] reported that if a javascript: URL is selected from the list of Firefox “new tab” page, the script will inherit the privileges of the privileged “new tab” page. This allows for the execution of locally installed programs if a user can be convinced to save a bookmark of a malicious javascript: URL.

Affected configurations

Vulners
Node
mozillafirefoxRange<17
VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

0.055

Percentile

93.3%