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K
zdiDamian PutZDI-09-093
HistoryDec 09, 2009 - 12:00 a.m.

Adobe Flash Player ActionScript Exception Handler Integer Overflow Vulnerability

2009-12-0900:00:00
Damian Put
www.zerodayinitiative.com
14

9.3 High

CVSS2

Access Vector

NETWORK

Access 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

0.213 Low

EPSS

Percentile

96.4%

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Flash Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious web page or open a malicious SWF file. The specific flaw exists in the generation of ActionScript exception handlers. In Verifier::parseExceptionHandlers(), a large value for exception_count will result in an integer overflow condition leading to a memory corruption which can be leveraged to execute arbitrary code under the context of the currently logged in user.

9.3 High

CVSS2

Access Vector

NETWORK

Access 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

0.213 Low

EPSS

Percentile

96.4%