Security check of js_ValueToFunctionObject() can be circumvented — Mozilla

2006-04-1300:00:00

Mozilla Foundation

www.mozilla.org

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

EPSS

0.263

Percentile

96.8%

JSON

The security check in js_ValueToFunctionObject() can be bypassed by clever use of setTimeout() and the new Firefox 1.5 array method ForEach. shutdown demonstrated how to leverage this into a privilege escalation vulnerability that would allow the installation of malware.

Affected configurations

Vulners

Node

mozillafirefoxRange<1.5.0.2

mozillaseamonkeyRange<1.0.1

mozillathunderbirdRange<1.5.0.2

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
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	seamonkey	*	cpe:2.3:a:mozilla:seamonkey::::::::
mozilla	thunderbird	*	cpe:2.3:a:mozilla:thunderbird::::::::