FYI...
Microsoft Security Advisory (2887505)
Vulnerability in Internet Explorer Could Allow Remote Code Execution
-
http://technet.micro...dvisory/2887505
September 17, 2013 - "Microsoft is investigating public reports of a vulnerability in all supported versions of Internet Explorer. Microsoft is aware of targeted attacks that attempt to exploit this vulnerability in Internet Explorer 8 and Internet Explorer 9. Applying the Microsoft Fix it solution, "CVE-2013-3893 MSHTML Shim Workaround," prevents the exploitation of this issue. See the Suggested Actions section of this advisory for more information. The vulnerability is a remote code execution vulnerability. The vulnerability exists in the way that Internet Explorer accesses an object in memory that has been deleted or has not been properly allocated. The vulnerability may corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user within Internet Explorer. An attacker could host a specially crafted website that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the website. On completion of this investigation, Microsoft will take the appropriate action to protect our customers, which
may include providing a solution through our monthly security update release process, or an out-of-cycle security update, depending on customer needs..."
*
http://support.micro...7505#FixItForMe
"Notes about this Fix it solution:
- You must restart Internet Explorer after you apply this Fix it solution.
- The Fix it solution that is described in this section applies only (to)
32-bit versions of Internet Explorer.
- You must have security update 2870699 installed for this Fix it to provide effective protection against this issue. For more information about security update 2870699... view the article in the Microsoft Knowledge Base: 2870699 MS13-069: Cumulative security update for Internet Explorer: September 10, 2013
This Fix it solution is not intended to be a replacement for any security update..."
Last Review: September 18, 2013 - Revision:
2.2
Applies to:
Internet Explorer 11
Internet Explorer 10
Windows Internet Explorer 9
Windows Internet Explorer 8
Windows Internet Explorer 7
Microsoft Internet Explorer 6.0"
MS13-069:
http://support.micro....com/kb/2870699
Last Review: September 18, 2013 - Revision:
2.0
-
https://blogs.techne...Redirected=true
17 Sep 2013
___
-
https://atlas.arbor.net/briefs/
High Severity
September 20, 2013 21:24
The latest Internet Explorer vulnerability is being used in targeted attacks and it's just a matter of time before larger-scale attacks take place.
Analysis: Once exploit code of this nature reaches the public, or semi-public sources, those that are paying attention (both "whitehat" and "blackhat" researchers, typically) have the information for defense and for offense. While this exploit code is not yet known to have been leveraged in any exploit kit and only in the context of targeted attacks, it is just a matter of time before the exploit becomes weaponized and expands past it's current use in targeted attacks and is use for cybercrime related activities. EMET is helpful, as is providing other hardening techniques such as whitelisting and application sandboxing where appropriate. 0day exploits are a fact of life, and there is evidence to suggest that this particular vulnerability has been exploited in the wild for some time.
Source:
http://www.net-secur...cle.php?id=1885
19 Sep 2013 - "... The simplest way to avoid this risk is to
use a browser other than Internet Explorer..."
-
https://secunia.com/advisories/54884/
Release Date: 2013-09-18
Criticality:
Extremely Critical
Impact: System access
Solution Status: Partial Fix...
CVE Reference:
https://web.nvd.nist...d=CVE-2013-3893 -
9.3 (HIGH)
Provided and/or discovered by: Reported as a 0-day...
-
http://community.web...-2013-3893.aspx
18 Sep 2013 - "... close to 70% of Windows-based PCs are vulnerable..."
___
-
http://www.fireeye.c...-2013-3893.html
Sep 21, 2013 - "... Despite the targeted nature of these attacks, the exploit identifies numerous language packs (en, zh, fr, de, ja, pt, ko, ru) and software versions, which is uses to specify the correct ROP chain. Commented-out code suggests that the exploit initially targeted IE8 XP users, and IE8 and IE9 Windows 7 users who also had MS Office 2007 installed. In our tests, we observed that
the exploit ran -successfully- on systems running both MS Office 2007 and 2010..."
-
http://community.web...y-reported.aspx
26 Sep 2013 - "... attacks utilizing the most recent Internet Explorer zero-day (CVE-2013-3893)
are more prevalent than previously thought... We have seen the CVE-2013-3893 exploit targeting Japanese firms in the financial industry, being hosted on a Taiwanese IP address (hxxp: //
220.229.238.123 /tn/images/index.html) as of September 25th..."
-
https://www.virustot...23/information/
Edited by AplusWebMaster, 29 September 2013 - 01:56 PM.
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