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Research > Zero-Day Tracker > 20130503

Internet Explorer Remote Code Execution Vulnerability

Date Disclosed:
5/3/2013

Date Patched:
5/14/2013

Vendor:
Microsoft

Affected Software:
Internet Explorer 8 on Windows XP and Windows 7

Description:
A vulnerability in Internet Explorer 8 on Windows XP and Windows 7 has been observed to be exploited in the wild as part of a watering hole attack. Successful exploitation grants the attacker the ability to execute remote arbitrary code within the context of the current user.

Severity:
High

Code Execution:
Yes.

Impact:
Remote Code Execution
Exploitation of this vulnerability is possible by convincing users to open a malicious web page. Remote attackers who successfully exploit this vulnerability will be able to execute code on the vulnerable system with the same rights as the currently logged on user.

Mitigation:
Apply the Microsoft Fix It solution. Alternatively, if possible, upgrade to Internet Explorer 9 or 10; those versions are unaffected by this vulnerability. If using Internet Explorer 8, block/disable Active Scripting in both Internet and Local intranet zones. Alternatively use another browser, such as Chrome.

Protection:
BeyondTrust's Retina® Network Security Scanner scans devices to detect for this vulnerability.

  • 19041 - Microsoft Internet Explorer 8 Remote Code Execution Vulnerability (Zero-Day)
BeyondTrust's PowerBroker Endpoint Protection Platform protects against weaponized exploits targeting this vulnerability.

Links:

Status:
2013-05-03: Vulnerability Disclosed
2013-05-03: Vendor Advisory Released
2013-05-08: Vendor Fix it Solution Released
2013-05-14: Vendor Patch Released

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