Downstairs.dnsalias Home FTP Server 1.10.1.139 File Upload path traversal

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Downstairs.dnsalias Home FTP Server 1.10.1.139. This impacts an unknown function of the component File Upload. Executing a manipulation can lead to path traversal. The identification of this vulnerability is CVE-2009-4053. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Downstairs.dnsalias Home FTP Server 1.10.1.139 (File Transfer Software). It has been declared as problematic. This vulnerability affects an unknown functionality of the component File Upload. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect integrity. CVE summarizes:

Multiple directory traversal vulnerabilities in Home FTP Server 1.10.1.139 allow remote authenticated users to (1) create arbitrary directories via directory traversal sequences in an MKD command or (2) create files with any contents in arbitrary directories via directory traversal sequences in a file upload request. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

The weakness was shared 11/23/2009 by mr_me (Website). The advisory is shared for download at secunia.com. This vulnerability was named CVE-2009-4053 since 11/23/2009. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation needs a single authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (54303), Exploit-DB (10162), SecurityFocus (BID 37228†), Secunia (SA37381†) and Vulnerability Center (SBV-31659†). The entry VDB-50882 is related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 100378
OpenVAS Name: iWeb Server URL Directory Traversal Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/17/2009 🔍
11/17/2009 +0 days 🔍
11/23/2009 +6 days 🔍
11/23/2009 +0 days 🔍
11/23/2009 +0 days 🔍
12/07/2009 +14 days 🔍
06/05/2011 +545 days 🔍
03/18/2015 +1382 days 🔍
11/03/2025 +3883 days 🔍

Sourcesinfo

Advisory: secunia.com⛔
Researcher: mr_me
Status: Not defined

CVE: CVE-2009-4053 (🔍)
GCVE (CVE): GCVE-0-2009-4053
GCVE (VulDB): GCVE-100-50884
X-Force: 54303
SecurityFocus: 37228 - iWeb Server URL Directory Traversal Vulnerability
Secunia: 37381 - Home FTP Server Multiple Vulnerabilities, Moderately Critical
Vulnerability Center: 31659 - Home FTP Server 1.10.1.139 Multiple Remote Directory Traversal Vulnerabilities, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 11/03/2025 13:23
Changes: 03/18/2015 15:15 (55), 03/23/2017 08:12 (12), 11/03/2025 13:23 (27)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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