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Date: Wed, 26 Jan 2011 12:31:21 +0100 From: "VUPEN Security Research" <advisories@...en.com> To: <bugtraq@...urityfocus.com> Subject: VUPEN Security Research - Novell GroupWise "TZID" Variable Remote Buffer Overflow Vulnerability (VUPEN-SR-2011-004) VUPEN Security Research - Novell GroupWise VCALENDAR "TZID" Variable Remote Buffer Overflow Vulnerability (VUPEN-SR-2011-004) http://www.vupen.com/english/research.php I. BACKGROUND --------------------- "Novell GroupWise collaboration software is a premier collaboration tool for large enterprise. Look no further than Novell for your collaboration software." (Wikipedia) II. DESCRIPTION --------------------- VUPEN Vulnerability Research Team discovered a critical vulnerability in Novell GroupWise. The vulnerability is caused by a buffer overflow error in the "gwwww1.dll" module when processing the "TZID" variable within VCALENDAR data, which could be exploited by remote unauthenticated attackers to execute arbitrary code with SYSTEM privileges. CVSS Score: 10 (AV:N/AC:L/Au:N/C:C/I:C/A:C) III. AFFECTED PRODUCTS --------------------------- Novell GroupWise version 8.02 HP 1 (Hot Patch 1) and prior IV. Binary Analysis & Exploits/PoCs --------------------------------------- In-depth binary analysis of the vulnerability and a code execution exploit are available through the VUPEN Binary Analysis & Exploits Service : http://www.vupen.com/english/services/ba-index.php V. VUPEN Threat Protection Program ----------------------------------- Organizations and corporations which are members of the VUPEN Threat Protection Program (TPP) receive advanced notifications about security vulnerabilities discovered by VUPEN, and have access to a detailed detection guidance to proactively protect national and critical infrastructures against potential attacks exploiting this vulnerability: http://www.vupen.com/english/services/tpp-index.php VI. SOLUTION ---------------- Upgrade to Novell GroupWise version 8.02 HP 2 (Hot Patch 2). VII. CREDIT -------------- This vulnerability was discovered by Sebastien Renaud of VUPEN Security VIII. ABOUT VUPEN Security --------------------------- VUPEN is a leading IT security research company providing vulnerability management and security intelligence solutions which enable enterprises and institutions to eliminate vulnerabilities before they can be exploited, ensure security policy compliance and meaningfully measure and manage risks. Governmental and federal agencies, and global enterprises in the financial services, insurance, manufacturing and technology industries rely on VUPEN to improve their security, prioritize resources, cut time and costs, and stay ahead of the latest threats. * VUPEN Vulnerability Notification Service (VNS) : http://www.vupen.com/english/services/vns-index.php * VUPEN Binary Analysis & Exploits Service (BAE) : http://www.vupen.com/english/services/ba-index.php * VUPEN Threat Protection Program for Govs (TPP) : http://www.vupen.com/english/services/tpp-index.php * VUPEN Web Application Security Scanner (WASS) : http://www.vupen.com/english/services/wass-index.php IX. REFERENCES ---------------------- http://www.vupen.com/english/research-vuln.php http://www.vupen.com/english/advisories/2011/0220 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4325 http://www.novell.com/support/viewContent.do?externalId=7007638&sliceId=1 X. DISCLOSURE TIMELINE ----------------------------- 2010-11-22 - Vulnerability discovered 2010-xx-xx - Vulnerability rediscovered by third parties including ZDI 2011-01-25 - Novell fix released
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