Do you know whether your copies of Shockwave are patched? There are 450 million of them and most people do not have a clue. Windows updates don't fix the problem. How do your users at home protect themselves and the computers they use to connect to your corporate systems? If you have a great solution to this problem, tell us at apaller@sans.org. We will share. Alan
@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 for this issue has been compiled by Rohan Kotian at TippingPoint, a division of 3Com, 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/cva/#process
Description: Adobe Shockwave Player, with over 450 million users, is a multimedia player created in Adobe Director and allows its applications to be published and viewed by a browser installed with a Shockwave plug-in. It has an invalid memory overwrite error which might lead to remote code execution. The specific flaw is in the way a vulnerable Shockwave Player allocates memory while parsing a specially crafted Director file. An attacker will have to trick an unsuspecting user to load the malicious Director file; for example by enticing the user into visiting a web site that hosts the malicious file.
Status: Vendor confirmed, updates available.
Description: Google Chrome, a web browser from Google, is the fourth most popular browser with 1.8% usage share among all the web browsers. It has buffer overflow vulnerability while parsing specially crafted HTTP responses from HTTP servers. An attacker, by enticing a user to visit a site that responds with a specially crafted HTTP response, might either cause a denial-of-service condition or execute arbitrary code if the exploit is successful. Technical details of the vulnerability are publicly available.
Status: Vendor confirmed, updates available.
Description: Foxit reader is a multilingual Portable Document Format (PDF) reader and is known for its faster and simpler method of loading and saving the document and smaller file size. There are two vulnerabilities in the JPEG2000/JBIG Decoder add-on for Foxit Reader that might result in memory corruption. The first flaw was that a negative stream offset from the JPEG stream caused data to be read from out of bound address. The second flaw was an error while decoding the JPEG2000 header. A specially crafted PDF document with the malicious JPEG2000 stream can trigger these vulnerabilities. Note that Foxit reader is not installed with JPEG2000/JBIG Decoder add-on by default. The add-on has to be installed for the reader to be vulnerable. Disabling JavaScript might prevent this vulnerability and not allowing the PDF documents to be opened inside a web browser might mitigate this vulnerability.
Status: Vendor confirmed, updates available.
Description: Bopup communication Server is a part of Bopup instant messaging suite, which is a secure messaging suite providing communication over different size networks. It is used to organize and control all of the private Instant Messaging system. It has got a buffer overflow vulnerability caused due to a boundary error while handling specially crafted TCP packets to port 19810. Successful exploitation might allow an attacker to execute arbitrary code with the privileges of the logged on user. Technical details in the form of Proof-of-Concept are publicly available.
Status: Vendor confirmed, no updates available.
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 7154 unique vulnerabilities. For this special SANS community listing, Qualys also includes vulnerabilities that cannot be scanned remotely.
(c) 2009. 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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