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mozillaMozilla FoundationMFSA2010-42
HistoryJul 20, 2010 - 12:00 a.m.

Cross-origin data disclosure via Web Workers and importScripts — Mozilla

2010-07-2000:00:00
Mozilla Foundation
www.mozilla.org
23

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

0.002

Percentile

58.7%

Security researcher Yosuke Hasegawa reported that the Web Worker method importScripts can read and parse resources from other domains even when the content is not valid JavaScript. This is a violation of the same-origin policy and could be used by an attacker to steal information from other sites.

Affected configurations

Vulners
Node
mozillafirefoxRange<3.5.11
OR
mozillafirefoxRange<3.6.7
OR
mozillaseamonkeyRange<2.0.6
OR
mozillathunderbirdRange<3.0.6
OR
mozillathunderbirdRange<3.1.1

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

0.002

Percentile

58.7%