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kasperskyKaspersky LabKLA10544
HistoryMay 08, 2012 - 12:00 a.m.

KLA10544 Code execution vulnerabilities in Microsoft Silverlight

2012-05-0800:00:00
Kaspersky Lab
threats.kaspersky.com
375

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

0.969 High

EPSS

Percentile

99.7%

Detect date:

05/08/2012

Severity:

Critical

Description:

An unspecified vulnerabilities were found in Microsoft Silverlight. By exploiting these vulnerabilities malicious users can execute arbitrary code. These vulnerabilities can be exploited remotely via a specially designed font data.

Affected products:

Microsoft Silverlight 4 earlier than 4.1.10329
Microsoft Silverlight 5 earlier than 5.1.10411

Solution:

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories:

MS12-034
CVE-2011-3402
CVE-2012-0159

Impacts:

ACE

Related products:

Microsoft Silverlight

CVE-IDS:

CVE-2011-34029.3Critical
CVE-2012-01599.3Critical

Microsoft official advisories:

KB list:

2690729
2636927

Exploitation:

This vulnerability can be exploited by the following malware:

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

0.969 High

EPSS

Percentile

99.7%