CSIRTUK advisories

ID: 3747
Date: 16/01/2009

---

Title: 3747 - Conficker/Downadup - Worm Exploiting the Vulnerability Addressed in MS08-067
Platform level affected:Operating System
Hardware components affected:Intel PC
Specific operating systems components affected: 32-bit Windows
Net-enabled software: Other
Security software:Other
Other software: Other
Remediation Summary:Special Event. Be on your guard at this time.
Vendors affected:Microsoft
Applications affected:Microsoft Windows
Adversity source: Unknown
Attack Vector: Vulnerability exploitation
Virulence: Self-Replicating - Medium
Warning Status: Active
Potential Damage: Remote execution/modification
Possible Duration: Open Ended
Availability of fix: Available
Type of fix: Patch
Source: Microsoft
Reliability of source: Trusted
Source URL: http://www.microsoft.com/security/portal/Entry.aspx?name=Win32%2fConficker
CVE: CVE-2008-4250
Abstract: The vulnerability addressed in MS08-067 continues to be exploited by the Downadup / Conficker (and variants) worm.  This advisory acts as a reminder for continued caution.

CPNI are aware of continuing infections of the Downadup / Conficker worm.  CSIRTUK advise extra vigilance at this time and recommend consulting the advice provided on the following websites:

http://www.microsoft.com/security/malwareremove/default.mspx

http://www.f-secure.com/f-secure/pressroom/news/fs_news_20090107_01_eng.html

http://www.ca.com/us/securityadvisor/virusinfo/virus.aspx?id=76852

http://blogs.technet.com/kfalde/archive/2009/01/08/malware-win32-conficker-b-w32-downadup-b.aspx

http://support.microsoft.com/kb/953252

http://www.microsoft.com/technet/security/bulletin/ms08-067.mspx

http://blogs.technet.com/swi/

http://blogs.technet.com/msrc/default.aspx

http://www.microsoft.com/technet/security/Bulletin/MS08-067.mspx

http://blogs.technet.com/mmpc/archive/2008/10/23/get-protected-now.aspx

This advisory contains information released by the original author. Some of the information may have changed since it was released. If the issue affects you, it may be prudent to retrieve the advisory from the site of the original source to ensure that you receive the most current information concerning that problem. Reference to any specific commercial product, process, or service by trade name, trademark manufacturer, or otherwise, does not constitute or imply its endorsement, recommendation, or favouring by CPNI.

The views and opinions of authors expressed within this notice shall not be used for advertising or product endorsement purposes. CPNI shall not accept responsibility for any errors or omissions contained within this advisory. In particular, they shall not be liable for any loss or damage whatsoever, arising from or in connection with the usage of information contained within this advisory.

CSIRTUK is a member of the Forum of Incident Response and Security Teams (FIRST) and has contacts with other international Incident Response Teams (IRTs) in order to foster cooperation and coordination in incident prevention, to prompt rapid reaction to incidents, and to promote information sharing amongst its members and the community at large.