Security Advisory – May 4, 2013

Zscaler Protects Against Vulnerability in Internet Explorer That Could Allow Remote Code Execution

Zscaler, working with Microsoft through their MAPPs program has proactively deployed protections for the following web based, client-side vulnerability included in their latest out-of-band security update. This vulnerability is known to have been actively exploited in the wild. Zscaler will continue to monitor exploits associated with this issue and deploy additional protections as necessary.

Microsoft Security Advisory - 2847140 – Vulnerability in Internet Explorer Could Allow Remote Code Execution

Severity: Critical

Affected Software

  • Internet Explorer 8

CVE-2013-1347 – Remote Code Execution Vulnerability in Internet Explorer

Description: 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.

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About Zscaler

Zscaler is transforming enterprise networking and security with the world’s largest Direct-to-Cloud Network, which securely enables the productivity benefits of cloud, mobile and social technologies without the cost and complexity of traditional on-premise appliances and software. The Zscaler Direct-to-Cloud Network processes daily more than 12 billion transactions from more than 12 million users in 180 countries across 100+ global data centers with near-zero latency. Learn why more than 5,000 global enterprises choose Zscaler to enable end-user productivity, enforce security policy and streamline WAN performance. Visit us at www.zscaler.com

Press Contacts:

Clinton Karr
Sr. PR Manager - Zscaler
Office Phone: +1-408-786-9285
ckarr@zscaler.com

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