WS_FTP multiple commands buffer overflow
| wsftp-multiple-commands-bo (41829) |  High Risk |
Description:
WS_FTP is vulnerable to multiple stack-based buffer overflows, caused by improper bounds checking when parsing various FTP commands. By sending a specially-crafted XCRC, XSHA1 or XMD5 command, a remote authenticated attacker could overflow a buffer and execute arbitrary code on the system or cause the FTP server to crash.
*CVSS:
| Base Score: | 6 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 4.4 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Apply the patch for this vulnerability (WS_FTP Server 5.05 Hotfix 1), available from the Ipswitch Web site. See References.
References:
- Ipswitch Web site: WS_FTP Server 5.05 Hotfix 1.
- ZDI-06-029: Ipswitch WS_FTP Server Checksum Command Parsing Buffer Overflow Vulnerabilities.
- CVE-2006-5000: Multiple buffer overflows in WS_FTP Server 5.05 before Hotfix 1, and possibly other versions down to 5.0, have unknown impact and remote authenticated attack vectors via the (1) XCRC, (2) XMD5, and (3) XSHA1 commands. NOTE: in the early publication of this identifier on 20060926, the description was used for the wrong issue.
- SECTRACK ID: 1016935: WS_FTP Buffer Overflow in XCRC, XSHA1, and XMD5 Commands Lets Remote Authenticated Users Execute Arbitrary Code
Platforms Affected:
- Ipswitch WS_FTP Server 5.02
- Ipswitch WS_FTP Server 5.03
- Ipswitch WS_FTP Server 5.05
Reported:
Sep 26, 2006
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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.