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mozillaMozilla FoundationMFSA2012-10
HistoryFeb 10, 2012 - 12:00 a.m.

use after free in nsXBLDocumentInfo::ReadPrototypeBindings — Mozilla

2012-02-1000:00:00
Mozilla Foundation
www.mozilla.org
9

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.13 Low

EPSS

Percentile

95.5%

Mozilla developers Andrew McCreight and Olli Pettay found that ReadPrototypeBindings will leave a XBL binding in a hash table even when the function fails. If this occurs, when the cycle collector reads this hash table and attempts to do a virtual method on this binding a crash will occur. This crash may be potentially exploitable.

Affected configurations

Vulners
Node
mozillafirefoxRange<10.0.1
OR
mozillafirefox_esrRange<10.0.1
OR
mozillaseamonkeyRange<2.7.1
OR
mozillathunderbirdRange<10.0.1
OR
mozillathunderbird_esrRange<10.0.1

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.13 Low

EPSS

Percentile

95.5%