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saintSAINT CorporationSAINT:2D483A0541D989FC51E0EF2DB79E1B3F
HistoryOct 09, 2013 - 12:00 a.m.

Internet Explorer Use-After-Free Memory Corruption (MS13-055)

2013-10-0900:00:00
SAINT Corporation
download.saintcorporation.com
13

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.956 High

EPSS

Percentile

99.4%

Added: 10/09/2013
CVE: CVE-2013-3163
BID: 60975
OSVDB: 94981

Background

Internet Explorer is an HTML web browser which comes by default on Microsoft operating systems.

Problem

Microsoft Internet Explorer contains a use-after-free error which can lead to memory corruption in such a way as to allow remote code execution in the context of the current user.

Resolution

Apply the KB2846071 update for Internet Explorer.

References

<http://blogs.technet.com/b/srd/archive/2013/07/10/running-in-the-wild-not-for-so-long.aspx&gt;
<http://technet.microsoft.com/security/bulletin/MS13-055&gt;

Limitations

Exploit works on Microsoft Internet Explorer 8 on Windows XP SP3 English (DEP OptIn) and Windows 7 SP1 (DEP OptIn).

JRE 6 must be installed on Windows 7.

The user must open the exploit in Internet Explorer 8.

Platforms

Windows

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

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

0.956 High

EPSS

Percentile

99.4%