Lucene search

K
mozillaMozilla FoundationMFSA2015-82
HistoryAug 11, 2015 - 12:00 a.m.

Redefinition of non-configurable JavaScript object properties — Mozilla

2015-08-1100:00:00
Mozilla Foundation
www.mozilla.org
13

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

0.006 Low

EPSS

Percentile

79.0%

Security researcher André Bargull reported non-configurable properties on JavaScript objects can be redefined while parsing JSON in violation of the ECMAScript 6 standard. This allows malicious web content to bypass same-origin policy by editing these properties to arbitrary values.

Affected configurations

Vulners
Node
mozillafirefoxRange<40
OR
mozillafirefox_esrRange<38.2
OR
mozillaseamonkeyRange<2.35
CPENameOperatorVersion
firefoxlt40
firefox esrlt38.2
seamonkeylt2.35

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

0.006 Low

EPSS

Percentile

79.0%