Serv-U up to 4.1.0.3 memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Serv-U up to 4.1.0.3. It has been rated as critical. This vulnerability affects unknown code. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2004-2111. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Serv-U up to 4.1.0.3 (File Transfer Software). It has been classified as critical. This affects an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the site chmod command in Serv-U FTP Server before 4.2 allows remote attackers to execute arbitrary code via a long filename.

The weakness was disclosed 01/24/2004 (Website). The advisory is shared at 0x557.org. This vulnerability is uniquely identified as CVE-2004-2111 since 05/27/2005. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Technical details are unknown but a public exploit is available.

After 3 days, there has been an exploit disclosed. The exploit is shared for download at saintcorporation.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 12037 (Serv-U SITE CHMOD Command Multiple Vulnerabilities), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27219 (RhinoSoft Serv-U FTP Server MDTM Command Stack Overflow Vulnerability).

Upgrading to version 4.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 2649.

The vulnerability is also documented in the databases at X-Force (14931), Exploit-DB (149), Tenable (12037), SecurityFocus (BID 9675†) and OSVDB (3713†). The entry VDB-23416 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 12037
Nessus Name: Serv-U SITE CHMOD Command Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 12037
OpenVAS Name: Serv-U FTP Server SITE CHMOD Command Stack Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/serv_u_site_chmod
Saint Name: Serv-U FTP site chmod buffer overflow

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: servu_chmod.rb
MetaSploit Name: Serv-U FTP Server Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Serv-U 4.2
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

01/24/2004 🔍
01/24/2004 +0 days 🔍
01/24/2004 +0 days 🔍
01/25/2004 +0 days 🔍
01/26/2004 +1 days 🔍
01/26/2004 +0 days 🔍
01/27/2004 +0 days 🔍
02/02/2004 +6 days 🔍
02/11/2004 +9 days 🔍
02/16/2004 +5 days 🔍
12/31/2004 +319 days 🔍
05/27/2005 +147 days 🔍
03/09/2015 +3573 days 🔍
10/05/2025 +3863 days 🔍

Sourcesinfo

Advisory: 0x557.org
Status: Confirmed

CVE: CVE-2004-2111 (🔍)
GCVE (CVE): GCVE-0-2004-2111
GCVE (VulDB): GCVE-100-23037
X-Force: 14931
SecurityFocus: 9675 - RhinoSoft Serv-U FTP Server SITE CHMOD Buffer Overflow Vulnerability
Secunia: 10706 - Serv-U FTP Server "SITE CHMOD" Command Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 3713 - Serv-U FTP Server SITE CHMOD Command Filename Handling Overflow
SecurityTracker: 1008841
Vulnerability Center: 3699 - Buffer Overflow in RhinoSoft Serv-U FTP Server Leads to Code Execution and DoS, Critical

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

Entryinfo

Created: 03/09/2015 15:52
Updated: 10/05/2025 02:19
Changes: 03/09/2015 15:52 (93), 05/19/2019 16:50 (8), 10/05/2025 02:19 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!