@RISK is the SANS community's consensus bulletin summarizing the most important vulnerabilities and exploits identified during the past week and providing guidance on appropriate actions to protect your systems (PART I). It also includes a comprehensive list of all new vulnerabilities discovered in the past week (PART II).
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PART I Critical Vulnerabilities Part I for this issue has been compiled by Josh Bronson at TippingPoint, a division of HP, as a by-product of that company's continuous effort to ensure that its intrusion prevention products effectively block exploits using known vulnerabilities. TippingPoint's analysis is complemented by input from a council of security managers from twelve large organizations who confidentially share with SANS the specific actions they have taken to protect their systems. A detailed description of the process may be found at http://www.sans.org/newsletters/risk/#process
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Description: Google has released an update for its Chrome web browser that addresses two flaws reported in Google's recent Pwnium contest. The undisclosed vulnerabilities can be used by attackers to bypass the Chrome sandbox. Browser sandboxes like Chrome's are used to mitigate the damage done by code execution vulnerabilities. Just like user accounts restrict the way users can access operating system objects, browser sandboxes can restrict access to memory, the filesystem, and other resources that could be used to cause trouble. By enticing a target to view a malicious page, an attacker can exploit this vulnerability in order to execute arbitrary code on the target's machine with the permissions of the logged-in user.
Status: vendor confirmed, updates available
Description: As part of its Patch Tuesday program, Microsoft has released patches for a memory corruption vulnerability affecting its Remote Desktop Protocol, which is disabled by default on Windows machines. By sending a malicious request, an attacker can exploit this vulnerability in order to execute arbitrary code on the target's machine.
Status: vendor confirmed, updates available
Description: Mozilla has released a patch for its Firefox web browser. The vulnerability is due to memory on the heap being used after being freed, and it can be triggered when a new parent window causes a child window using the file open dialog box to close. By enticing a target to view a malicious page, it is possible that an attacker could exploit this vulnerability in order to execute arbitrary code on the target's machine.
Status: vendor confirmed, updates available
Part II -- Comprehensive List of Newly Discovered Vulnerabilities from Qualys (www.qualys.com) This list is compiled by Qualys ( www.qualys.com ) as part of that company's ongoing effort to ensure its vulnerability management web service tests for all known vulnerabilities that can be scanned. As of this week Qualys scans for 13467 unique vulnerabilities. For this special SANS community listing, Qualys also includes vulnerabilities that cannot be scanned remotely. ______________________________________________________________________
(c) 2012. All rights reserved. The information contained in this newsletter, including any external links, is provided "AS IS," with no express or implied warranty, for informational purposes only. In some cases, copyright for material in this newsletter may be held by a party other than Qualys (as indicated herein) and permission to use such material must be requested from the copyright owner.
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