Microsoft Internet Information Services (IIS) FTP buffer overflow
| iis-ftp-bo (52915) |  High Risk |
Description:
Microsoft Internet Information Services (IIS) is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the FTP server. By sending a specially-crafted FTP NLST command containing a wildcard that references a subdirectory, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system or cause the FTP service to stop accepting requests.
*CVSS:
| Base Score: | 9 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | Single |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 7.4 |
| Exploitability: | Functional |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Apply the appropriate patch for your system, as listed in Microsoft Security Bulletin MS09-053. See References.
References:
- IBM Internet Security Systems Protection Alert: Microsoft Internet Information Services FTP Remote Code Execution.
- Microsoft IIS Web site: The Official Microsoft IIS Site.
- Microsoft Security Bulletin MS09-053: Vulnerabilities in FTP Service for Internet Information Services Could Allow Remote Code Execution (975254).
- Offensive Security Exploit Database [07-03-2011]: Microsoft IIS FTP Server <= 7.0 Stack Exhaustion DoS [MS09-053].
- BID-36189: Microsoft IIS FTPd NLST Remote Buffer Overflow Vulnerability
- CVE-2009-3023: Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 6.0 allows remote authenticated users to execute arbitrary code via a crafted NLST (NAME LIST) command that uses wildcards, leading to memory corruption, aka IIS FTP Service RCE and DoS Vulnerability.
- SA36443: Microsoft Internet Information Services FTP Server NLST Buffer Overflow
- US-CERT VU#276653: Microsoft Internet Information Server (IIS) FTP server NLST stack buffer overflow
- VUPEN/ADV-2009-2481: Microsoft Internet Information Server FTP Buffer Overflow Vulnerability
Platforms Affected:
- Microsoft IIS 6.0
- Microsoft Internet Information Server 5.0
- Microsoft Internet Information Server 5.1
- Microsoft Windows 2000 SP4
- Microsoft Windows Server 2003 SP2 x64
- Microsoft Windows Server 2003 SP2
- Microsoft Windows Server 2003 SP2 Itanium
- Microsoft Windows XP SP3
- Microsoft Windows XP SP2
Reported:
Aug 31, 2009
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.