Norton Vnc Large Error
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Norton Internet Security Allow Remote Desktop
Systems Healthcare Retail State & Local SUPPORT CENTER Technical Support Symantec Connect Buying Programs Upgrades Renewals Training SECURITY CENTER Blogs ISTR Threats Virus Definitions and Security Updates Removal Tools PARTNER Find a Partner Become a Partner Login Required Login into Partner Portal Partner Licensing Partner Renewals Partner Training Margin Builder Opportunity Registration Financial Benefits /Security Response/ Attack Signatures/ Attack: VNC Large Error Response CVE-2001-0167 Add Add Bookmark or Share Google+ Technorati Digg Delicious Reddit StumbleUpon Twitter LinkedIn Facebook Newsvine Attack: VNC Large Error Response CVE-2001-0167 Severity: High This attack could pose a serious security threat. You should take immediate action to stop any damage or prevent further damage from happening. Description This signature detects an attempt to exploit a buffer overflow vulnerability in UltraVNC. Additional Information UltraVNC is a client/server remote access suite that allows remote users to access desktops as though they are a local user.UltraVNC is susceptible to multiple error-logging remote buffer-overflow vulnerabilities. The application fails to properly bounds-check user-supplied input before copying it to insufficiently sized memory buffers.The first issue is in the client-based 'Log::ReallyPrint()' function in the 'vncviewer/Log.cpp' source file. This function is responsible for logging remote error messages from servers. The vulnerable function uses a 1024-byte memory buffer to receive error messages from the server; if a server returns excessive error message data, adjacent memory will be overrun with attacker-supplied
you will find help for frequently asked questions as well as for your specific question. Post a reply 7 posts • Page 1 of 1 Norton Anti-Virus 2008 blocks all connections by rbiro » 2008-04-25 05:16 After a recent update from Norton, I can't use UltraVNC 1.0.4 RC14 on my laptop. If I try to initiate an outbound connection using vncviewer, I get a Norton popup saying it has blocked a worm attack: VNC Large Error Response BO And if I try to VNC into this computer the same thing happens. It doesn't matter if I add both the server and viewer to the list of trusted apps. The Norton Gui doesn't appear to https://www.symantec.com/security_response/attacksignatures/detail.jsp?asid=22901 let me override the default behavior and allow UltraVNC to do its thing. Below is the not entirely useful Tech-Support conversation with Symantec -----Original Message----- From: Symantec Tech Support [mailto:techsupport@symantec.iseva.net] Sent: Thursday, April 24, 2008 10:00 PM To: --------- Subject: Technical Support [Incident: 080422-009845] Subject --------------------------------------------------------------- Technical Support Discussion Thread --------------------------------------------------------------- Response (Ramesh J) - 04/24/2008 09:59 PM Hello Robert, Welcome back to Symantec Support. I understand from your message that even after following http://forum.ultravnc.info/viewtopic.php?t=12580 the suggested solution, you are getting the message which says "VNC Large Error Response BO". I acknowledge your concern regarding this issue. I am here to assist you. Our database indicates that this is may be a threat. So, I suggest you to click on the link to know more about this issue. Web Url: http://www.symantec.com/avcenter/attack ... 22901.html As a workaround, I suggest you to perform the Norton Security Scan and then check for the issue. Click on the link below: Please click on the link provided below: Title: 'Installing Norton 2008 product on a virus infected computer' Document ID: 2007090322510579 > Web URL: http://service1.symantec.com/Support/no ... 0322510579 NOTE: In the reply mail please mention whether any threats have been identified. If any threats are detected then it has to be removed. As our esteemed customer, your satisfaction is our primary concern. Please let us know if this issue has been resolved completely. If it still persists, we are always here to assist you. Regards, Ramesh. J Symantec Technical Support Disclaimer Note: This message (including any attachments) is intended only for the use of theindividual to which it is addressed.If you are not the intended recipient, please do not follow any instructions provided within this message. Any instructions or offers contained within this message are for a specific person, system confi
our privacy policy. Got https://support.realvnc.com/knowledgebase/article/View/278/6/does-vnc-work-with-nortonsymantec-endpoint-security it Knowledge base (53)Error Messages (63)Known Issues (116)VNC (20)VNC Deployment Tool (4)VNC Viewer for iOS (8)VNC Viewer Plus (Intel AMT KVM) Knowledge base: Windows Does VNC work with Norton/Symantec Endpoint Security? Yes, VNC Server will work with this remote desktop particular firewall, although you'll need to configure certain things:1) As with any firewall, you'll need to ensure that you either add TCP port 5900 as an exception, or add the actual VNC executable as an exception.2) Ensure that the norton vnc large RealVNC directory is omitted from the virus scanner's search path.3) Within the firewall options there is a setting called "TCP re-sequencing". Please ensure this is disabled, otherwise you'll experience a significant decrease in VNC Server performance. Products VNC VNC Viewer Plus Download VNC VNC Viewer VNC Viewer Plus Legacy software Purchase Pricing Start a trial Buy online Renew online Buy from a reseller Buy from a distributor Join the channel Support FAQ Documentation Knowledge base Submit a ticket Developer VNC Developer VNC Automotive VNC for Wayland About us Contact us Company profile Customers News Careers Legal Copyright © 2002-2016 RealVNC Limited. All rights reserved. RealVNC®, VNC® and RFB® are trademarks of RealVNC Limited. More. ×