Serv-U up to 7.3.0.2 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Serv-U up to 7.3.0.2 and classified as problematic. Impacted is an unknown function. The manipulation results in input validation. This vulnerability is reported as CVE-2008-4500. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Serv-U up to 7.3.0.2 (File Transfer Software). It has been classified as problematic. Affected is an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

Serv-U 7.0.0.1 through 7.3, including 7.2.0.1, allows remote authenticated users to cause a denial of service (CPU consumption) via a crafted stou command, probably related to MS-DOS device names, as demonstrated using "con:1".

The bug was discovered 10/03/2008. The weakness was disclosed 10/08/2008 (Website). The advisory is shared for download at milw0rm.com. This vulnerability is traded as CVE-2008-4500 since 10/08/2008. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 34398 (Serv-U 7.x < 7.3.0.1 Multiple Remote Vulnerabilities (DoS, Traversal)), 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 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (45652), Exploit-DB (6660), Tenable (34398), SecurityFocus (BID 31556†) and OSVDB (49194†). The entry VDB-44413 is pretty similar. Once again VulDB remains the best 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: 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: Input validation
CWE: CWE-20
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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Nessus ID: 34398
Nessus Name: Serv-U 7.x < 7.3.0.1 Multiple Remote Vulnerabilities (DoS, Traversal)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/03/2008 🔍
10/03/2008 +0 days 🔍
10/03/2008 +0 days 🔍
10/06/2008 +3 days 🔍
10/08/2008 +2 days 🔍
10/08/2008 +0 days 🔍
10/08/2008 +0 days 🔍
10/14/2008 +6 days 🔍
10/19/2008 +5 days 🔍
03/17/2015 +2340 days 🔍
11/06/2024 +3521 days 🔍

Sourcesinfo

Advisory: milw0rm.com⛔
Status: Confirmed

CVE: CVE-2008-4500 (🔍)
GCVE (CVE): GCVE-0-2008-4500
GCVE (VulDB): GCVE-100-44412
X-Force: 45652
SecurityFocus: 31556 - RhinoSoft Serv-U FTP Server 'sto con:1' Denial of Service Vulnerability
Secunia: 32150
OSVDB: 49194 - RhinoSoft - Serv-U - FTP Server 'sto con-1' Denial of Service Issue
Vulnerability Center: 19750 - Serv-U 7.3 and 7.2.0.1 Remote DoS via a Crafted Stou Command, Medium
Vupen: ADV-2008-2746

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

Entryinfo

Created: 03/17/2015 16:11
Updated: 11/06/2024 00:20
Changes: 03/17/2015 16:11 (68), 08/18/2019 18:55 (8), 11/06/2024 00:20 (19)
Complete: 🔍
Cache ID: 216::103

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