n.runs AG http://www.nruns.com/ security at nruns.com n.runs-SA-2006.003 15-Dec-2006 ________________________________________________________________________ Vendor: BitDefender, http://www.bitdefender.com Affected Products: BitDefender Antivirus, BitDefender Antivirus Plus, BitDefender Internet Security, BitDefender Mail Protection for Enterprises, BitDefender Online Scanner, BitDefender for ISA Server, BitDefender for MS Exchange 2000, BitDefender for MS Exchange 2003, BitDefender for MS Exchange 5.5 Platforms: Fedora, FreeBSD, Mandrake, Red Hat, SUSE, Slackware, Windows 2000, Windows 2003, Windows 98, Windows Me, Windows NT, Windows XP Vulnerability: Arbitrary Code Execution (remote) ________________________________________________________________________ Vendor communication: 2006/08/24 initial notification of BitDefender 2006/08/25 BitDefender Response 2006/08/26 PGP keys exchange 2006/08/28 PoC files sent to BitDefender 2006/08/29 BitDefender confirmed the bug and fixed it. 2006/08/30 BitDefender released fixes through automatic update. ________________________________________________________________________ Overview: BitDefenderT provides security solutions to satisfy the protection requirements of today's computing environment, delivering effective threat management to over 41 million home and corporate users in more than 200 countries. BitDefender has garnered many awards, accolades and certifications since its inception in 2001. From the prestigious European IST Prize, to the #1 Best Buy ranking from PC World, and most recently, the PC World "Best 100 Products of 2006," the Company is enjoying worldwide recognition for its superior technology and product offering. Description: A remotely exploitable vulnerability has been found in the file parsing engine. In detail, the following flaw was determined: - Heap Overflow through Integer Overflow in Packed PE File Parsing This problem can lead to remote arbitrary code execution if an attacker carefully crafts a file that exploits the aforementioned vulnerability. Solution: The vulnerabilities were reported on August 28 and an update has been issued on August 29 to solve this vulnerability. The update has been delivered immediately to all BitDefender users through the regular automatic update mechanism, so no user action is required. Note: We would like to thank BitDefender, who were available even during the weekend to fix the problem, for their quick response. ________________________________________________________________________ Credit: Bugs found by Sergio Alvarez of n.runs AG. ________________________________________________________________________ References: http://www.bitdefender.com/KB323-en--cevakrnl.xmd-vulnerability.html ________________________________________________________________________ The information provided is released by n.runs "as is" without warranty of any kind. n.runs disclaims all warranties, either express or implied, expect for the warranties of merchantability. In no eventshall n.runs be liable for any damages whatsever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if n.runs has been advised of the possibility of such damages. Distribution or Reproduction of the information is provided that the advisory is not modified in any way. Copyright 2006 n.runs. All rights reserved. Terms of use.