2008-0590 | Ipswitch WS_FTP Server memory corruption (BID-27573 / XFDB-40207)

By Max On Jul 30, 2021

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.
9.4	$0-$5k	0.46

A vulnerability classified as very critical was found in Ipswitch WS_FTP Server 6.1.0.0 (File Transfer Software). This vulnerability affects an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in Ipswitch WS_FTP Server with SSH 6.1.0.0 allows remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a long opendir command.

The weakness was disclosed 02/05/2008 by securfrog (Website). The advisory is shared for download at vupen.com. This vulnerability was named CVE-2008-0590 since 02/04/2008. The exploitation appears to be easy. The attack can be initiated remotely. The successful exploitation requires a single authentication. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/30/2021).

A public exploit has been developed in Perl and been published before and not just after the advisory. It is declared as proof-of-concept. It is possible to download the exploit at securityfocus.com. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 40771 (Ipswitch WS_FTP Server FTP. The commercial vulnerability scanner Qualys is able to test this issue with plugin 27376 (Ipswitch WS_FTP Server Multiple Vulnerabilities).

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 SecurityFocus (BID 27573), X-Force (40207), Secunia (SA28753), Vulnerability Center (SBV-24341) and Tenable (40771). The entries 40860, 45615 and 45614 are pretty similar.

Type

Vendor

Name

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.9
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

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

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 40771
Nessus Name: Ipswitch WS_FTP Server Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

02/02/2008 🔍
02/02/2008 +0 days 🔍
02/04/2008 +2 days 🔍
02/04/2008 +0 days 🔍
02/04/2008 +0 days 🔍
02/05/2008 +1 days 🔍
02/05/2008 +0 days 🔍
02/05/2008 +0 days 🔍
08/24/2009 +565 days 🔍
12/10/2009 +108 days 🔍
12/29/2013 +1480 days 🔍
03/16/2015 +442 days 🔍
07/30/2021 +2328 days 🔍Vendor: https://www.ipswitch.com/