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mozillaMozilla FoundationMFSA2014-86
HistoryDec 02, 2014 - 12:00 a.m.

CSP leaks redirect data via violation reports — Mozilla

2014-12-0200:00:00
Mozilla Foundation
www.mozilla.org
31

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

69.0%

Security researcher Muneaki Nishimura discovered that Content Security Policy (CSP) violation reports triggered by a redirect did not remove path information as required by the CSP specification. This potentially reveals information about the redirect that would not otherwise be known to the original site. This could be used by a malicious site to obtain sensitive information such as usernames or single-sign-on tokens encoded within the target URLs.

Affected configurations

Vulners
Node
mozillafirefoxRange<34
OR
mozillafirefox_osRange<2.2
OR
mozillaseamonkeyRange<2.31
VendorProductVersionCPE
mozillafirefox*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozillafirefox_os*cpe:2.3:o:mozilla:firefox_os:*:*:*:*:*:*:*:*
mozillaseamonkey*cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*

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

69.0%