Untrusted site hosting trusted page can intercept webchannel responses — Mozilla

2015-05-1200:00:00

Mozilla Foundation

www.mozilla.org

2973

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.003

Percentile

68.2%

JSON

Mozilla developer Mark Hammond reported a flaw in how WebChannel.jsm handles message traffic. He found that when a trusted page is hosted within an on an untrusted third-party untrusted framing page, the untrusted page could intercept webchannel responses meant for the trusted page, bypassing origin restrictions.

Affected configurations

Vulners

Node

mozillafirefoxRange<38

mozillafirefox_osRange<2.2

mozillaseamonkeyRange<2.35

VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozillafirefox_os*cpe:2.3:o:mozilla:firefox_os:*:*:*:*:*:*:*:*
mozillaseamonkey*cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mozilla	firefox	*	cpe:2.3:a:mozilla:firefox::::::::
mozilla	firefox_os	*	cpe:2.3:o:mozilla:firefox_os::::::::
mozilla	seamonkey	*	cpe:2.3:a:mozilla:seamonkey::::::::