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mozillaMozilla FoundationMFSA2012-04
HistoryJan 31, 2012 - 12:00 a.m.

Child nodes from nsDOMAttribute still accessible after removal of nodes — Mozilla

2012-01-3100:00:00
Mozilla Foundation
www.mozilla.org
31

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.917 High

EPSS

Percentile

98.9%

Security researcher regenrecht reported via TippingPoint’s Zero Day Initiative that removed child nodes of nsDOMAttribute can be accessed under certain circumstances because of a premature notification of AttributeChildRemoved. This use-after-free of the child nodes could possibly allow for remote code execution.

Affected configurations

Vulners
Node
mozillafirefoxRange<10
OR
mozillafirefoxRange<3.6.26
OR
mozillaseamonkeyRange<2.7
OR
mozillathunderbirdRange<10
OR
mozillathunderbirdRange<3.1.18

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.917 High

EPSS

Percentile

98.9%