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zdiLokihardt@ASRTZDI-15-137
HistoryApr 15, 2015 - 12:00 a.m.

(Pwn2Own) Google Chrome pnacl Shared Memory Time-Of-Check/Time-Of-Use Remote Code Execution Vulnerability

2015-04-1500:00:00
lokihardt@ASRT
www.zerodayinitiative.com
18

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.062 Low

EPSS

Percentile

93.4%

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Google Chrome. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of communication between the GPU process and the renderer processes. The issue lies in the verification of values from the renderer without copying them out of a shared memory section. An attacker can leverage this vulnerability to execute code under the context of the current process.

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.062 Low

EPSS

Percentile

93.4%

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