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mozillaMozilla FoundationMFSA2015-141
HistoryDec 15, 2015 - 12:00 a.m.

Hash in data URI is incorrectly parsed — Mozilla

2015-12-1500:00:00
Mozilla Foundation
www.mozilla.org
14

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

72.2%

Security researcher Abdulrahman Alqabandi reported that when a data: URI is parsed, the hash (‘#’) symbol is incorrectly handled, allowing for spoofing attacks. This issue could result in the wrong URI being displayed as a location, which can mislead users to believe they are on a different site than the one loaded.

Affected configurations

Vulners
Node
mozillafirefoxRange<43
CPENameOperatorVersion
firefoxlt43

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

72.2%