Serv-U up to 7.2.0.0 FTP Command denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Serv-U up to 7.2.0.0. This issue affects some unknown processing of the component FTP Command. The manipulation leads to denial of service. This vulnerability is documented as CVE-2008-3731. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Serv-U up to 7.2.0.0 (File Transfer Software). This issue affects an unknown functionality of the component FTP Command. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

Unspecified vulnerability in Serv-U File Server 7.0.0.1, and other versions before 7.2.0.1, allows remote authenticated users to cause a denial of service (daemon crash) via an SSH session with SFTP commands for directory creation and logging.

The bug was discovered 07/30/2008. The weakness was released 08/20/2008 (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2008-3731 since 08/20/2008. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation needs a simple authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 33937 (Serv-U 7.x < 7.2.0.1 SFTP Directory Creation Logging DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FTP and running in the context r.

Upgrading to version 7.2.0.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (44537), Tenable (33937), SecurityFocus (BID 30739†), OSVDB (47589†) and Secunia (SA31461†). Entries connected to this vulnerability are available at VDB-52932 and VDB-59667. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 33937
Nessus Name: Serv-U 7.x < 7.2.0.1 SFTP Directory Creation Logging DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900113
OpenVAS Name: kb_smb_name(
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Serv-U 7.2.0.0

Timelineinfo

07/30/2008 🔍
07/30/2008 +0 days 🔍
08/19/2008 +20 days 🔍
08/20/2008 +1 days 🔍
08/20/2008 +0 days 🔍
08/20/2008 +0 days 🔍
08/20/2008 +0 days 🔍
08/20/2008 +0 days 🔍
08/25/2008 +5 days 🔍
03/17/2015 +2395 days 🔍
08/16/2019 +1613 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-3731 (🔍)
GCVE (CVE): GCVE-0-2008-3731
GCVE (VulDB): GCVE-100-43751
X-Force: 44537
SecurityFocus: 30739 - RhinoSoft Serv-U SFTP Remote Denial of Service Vulnerability
Secunia: 31461 - Serv-U File Server SFTP Logging Denial of Service Vulnerability, Less Critical
OSVDB: 47589 - RhinoSoft - Serv-U - SFTP Remote Denial of Service Issue
Vulnerability Center: 19259 - RhinoSoft Serv-U File Server Allows Remote Authenticated Users to Cause a Denial of Service via SSH, Medium

See also: 🔍

Entryinfo

Created: 03/17/2015 12:19
Updated: 08/16/2019 08:31
Changes: 03/17/2015 12:19 (77), 08/16/2019 08:31 (3)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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