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Message-ID: <4982E289.1000905@procheckup.com> Date: Fri, 30 Jan 2009 11:20:41 +0000 From: ProCheckUp Research <research@...checkup.com> To: <bugtraq@...urityfocus.com> Subject: PR08-22: Persistent XSS on Novell GroupWise WebAccess PR08-22: Persistent XSS on Novell GroupWise WebAccess Vulnerability found: 2nd October 2008 Vendor contacted: 3rd October 2008 Advisory publicly released: 30th January 2009 Severity: High Credits: Jan Fry of ProCheckUp Ltd (www.procheckup.com). ProCheckUp thanks Novell for working with us in such a professional manner. Successfully tested on: Novell GroupWise WebAcess 7.0.3 Novell has confirmed the following versions to be affected by this vulnerability: GroupWise 6.5x GroupWise 7.0, 7.01, 7.02x, 7.03 GroupWise 8.0 (shipping 8.0 release only) CVE reference: CVE-2009-0273 Description: Novell GroupWise Webaccess (7.0.3) is vulnerable to a *persistent* XSS via HTML email or HTML attachments. Proof of concept: _As kindly requested by Novell, ProCheckUp will delay publication of the PoC details to allow GroupWise customers time to apply the recommended security patches._ Consequences: An attacker may be able to cause execution of malicious scripting code in the browser of any user. Such code would run within the security context of the target domain. This type of attack can result in a persistent defacement of the target site, or the redirection of confidential information (i.e.: session IDs, address books, emails) to unauthorised third parties. Since this XSS is of persistent nature, the user wouldn't have to be tricked to visit a specially-crafted URL, but just read an e-mail. References: http://www.procheckup.com/vulnerability_manager http://en.wikipedia.org/wiki/Cross-site_scripting Fix: http://www.novell.com/support/search.do?usemicrosite=true&searchString=7002320 Legal: Copyright 2009 ProCheckUp Ltd. All rights reserved. Permission is granted for copying and circulating this Bulletin to the Internet community for the purpose of alerting them to problems, if and only if the Bulletin is not changed or edited in any way, is attributed to ProCheckUp indicating this web page URL, and provided such reproduction and/or distribution is performed for non-commercial purposes. Any other use of this information is prohibited. ProCheckUp is not liable for any misuse of this information by any third party. ProCheckUp is not responsible for the content of external Internet sites.
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