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mozillaMozilla FoundationMFSA2015-140
HistoryDec 15, 2015 - 12:00 a.m.

Cross-origin information leak through web workers error events — Mozilla

2015-12-1500:00:00
Mozilla Foundation
www.mozilla.org
25

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

73.8%

Security researcher Masato Kinugawa reported a cross-origin information leak through the error events in web workers. This violates same-origin policy and the leaked information could potentially be used by a malicious party to gather authentication tokens and other data from third-party websites.

Affected configurations

Vulners
Node
mozillafirefoxRange<43
CPENameOperatorVersion
firefoxlt43

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

73.8%