CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.5 | $0-$5k | 0.00 |
A vulnerability was found in Serv-U (File Transfer Software). It has been rated as very critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:
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.
The weakness was presented 11/18/2009 with Secunia Research (Website). The advisory is available at xforce.iss.net. This vulnerability is handled as CVE-2009-4006. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/28/2021).
It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 42934 (Serv-U < 9.1.0.0), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FTP.
Upgrading to version 7.2.0.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (54322) and Tenable (42934). See 53351 for similar entry.
Product
Type
Name
Version
- 7.0.0.1
- 7.0.0.2
- 7.0.0.3
- 7.0.0.4
- 7.1.0.0
- 7.1.0.1
- 7.1.0.2
- 7.2.0.0
- 7.2.0.1
- 7.3.0.0
- 7.3.0.1
- 7.3.0.2
- 7.4.0.0
- 7.4.0.1
- 8.0.0.1
- 8.0.0.2
- 8.0.0.4
- 8.0.0.5
- 8.0.0.7
- 8.1.0.1
- 8.1.0.3
- 8.2.0.0
- 8.2.0.1
- 8.2.0.3
- 9.0.0.1
- 9.0.0.3
- 9.0.0.5
- 9.1.0.0
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Highly functional
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 42934
Nessus Name: Serv-U < 9.1.0.0
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 100354
OpenVAS Name: RhinoSoft Serv-U FTP Server TEA Decoder Remote Stack Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
MetaSploit ID: servu_session_cookie.rb
MetaSploit Name: Rhinosoft Serv-U Session Cookie Buffer Overflow
MetaSploit File: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Serv-U 7.2.0.0
Fortigate IPS: 🔍
Timeline
11/17/2009 🔍11/18/2009 🔍
11/18/2009 🔍
11/18/2009 🔍
11/19/2009 🔍
11/20/2009 🔍
11/21/2009 🔍
11/30/2009 🔍
12/07/2009 🔍
03/18/2015 🔍
08/28/2021 🔍
Sources
Advisory: xforce.iss.netOrganization: Secunia Research
Status: Not defined
CVE: CVE-2009-4006 (🔍)
OVAL: 🔍
X-Force: 54322
Vulnerability Center: 24278 - RhinoSoft Serv-U FTP Server \x3C 9.1.0.0 TEA Decoding Algorithm Remote Code Execution Vulnerability, Critical
SecurityFocus: 37051 - RhinoSoft Serv-U FTP Server TEA Decoder Remote Stack Buffer Overflow Vulnerability
OSVDB: 60427 - Serv-U FTP Server TEA Decoding Algorithm Hexidecimal String Remote Overflow
See also: 🔍
Entry
Created: 03/18/2015 15:15Updated: 08/28/2021 01:26
Changes: 03/18/2015 15:15 (67), 02/17/2017 12:30 (10), 08/28/2021 01:19 (2), 08/28/2021 01:26 (1)
Complete: 🔍
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