RhinoSoft Serv-U FTP Server TEA decoding buffer overflow
| servu-tea-bo (54322) |  High Risk |
Description:
RhinoSoft Serv-U FTP Server is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the TEA decoding algorithm. By sending an overly long hexadecimal string, a remote attacker could overflow a buffer and execute arbitrary code on the system.
*CVSS:
| Base Score: | 7.5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | Partial |
| Integrity Impact: | Partial |
| Availability Impact: | Partial |
| Temporal Score: | 5.5 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of Serv-U FTP Server (9.1.0.0 or later), available from the Rhino Software Web site. See References.
References:
- Rhino Software Web site: Serv-U.
- Secunia Research 18/11/2009: RhinoSoft Serv-U TEA Decoding Buffer Overflow.
- BID-37051: RhinoSoft Serv-U FTP Server TEA Decoder Remote Stack Buffer Overflow Vulnerability
- CVE-2009-4006: Stack-based buffer overflow in the TEA decoding algorithm in RhinoSoft Serv-U FTP server 7.0.0.1, 9.0.0.5, and other versions before 9.1.0.0 allows remote attackers to execute arbitrary code via a long hexadecimal string.
- SA37228: RhinoSoft Serv-U Cookie Buffer Overflow Vulnerability
- SECTRACK ID: 1023199: FTP Serv-U Boundary Error in TEA Decoding Lets Remote Authenticated Users Execute Arbitrary Code
- VUPEN/ADV-2009-3277: Serv-U TEA Decoding Remote Buffer Overflow Vulnerability
Platforms Affected:
- Rhino Software Serv-U FTP Server 9.0.0.5
Reported:
Nov 18, 2009
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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.