Inconsistent JavaScript handling of access to Window objects — Mozilla

2014-02-0400:00:00

Mozilla Foundation

www.mozilla.org

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.003

Percentile

69.3%

JSON

Mozilla developer Boris Zbarsky reported an inconsistency with the different JavaScript engines in how JavaScript native getters on window objects are handled by these engines. This inconsistency can lead to different behaviors in JavaScript code, allowing for a potential security issue with window handling by bypassing of some security checks.

Affected configurations

Vulners

Node

mozillafirefoxRange<27

mozillafirefox_esrRange<24.3

mozillaseamonkeyRange<2.24

mozillathunderbirdRange<24.3

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozillafirefox_esr*cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
mozillaseamonkey*cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
mozillathunderbird*cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	firefox	*	cpe:2.3:a:mozilla:firefox::::::::
mozilla	firefox_esr	*	cpe:2.3:a:mozilla:firefox_esr::::::::
mozilla	seamonkey	*	cpe:2.3:a:mozilla:seamonkey::::::::
mozilla	thunderbird	*	cpe:2.3:a:mozilla:thunderbird::::::::