Qbik WinGate 5.0/6.0/6.2.1 SMTP Server 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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4.8$0-$5k0.00

A vulnerability was found in Qbik WinGate 5.0/6.0/6.2.1 and classified as problematic. Affected by this issue is an unknown function of the component SMTP Server. 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. CVE summarizes:

Format string vulnerability in the SMTP server component in Qbik WinGate 5.x and 6.x before 6.2.2 allows remote attackers to cause a denial of service (service crash) via format string specifiers in certain unexpected commands, which trigger a crash during error logging.

The bug was discovered 08/10/2007. The weakness was presented 08/14/2007 by Stephen Fewer with Harmony Security (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2007-4335 since 08/14/2007. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 25879 (WinGate Invalid SMTP State Format String DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading to version 6.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (35950) and Tenable (25879).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 25879
Nessus Name: WinGate Invalid SMTP State Format String DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WinGate 6.0

Timelineinfo

08/10/2007 🔍
08/10/2007 +0 days 🔍
08/10/2007 +0 days 🔍
08/13/2007 +3 days 🔍
08/13/2007 +0 days 🔍
08/14/2007 +1 days 🔍
08/14/2007 +0 days 🔍
08/14/2007 +0 days 🔍
08/20/2007 +6 days 🔍
03/16/2015 +2765 days 🔍
07/23/2019 +1590 days 🔍

Sourcesinfo

Advisory: securityfocus.com
Researcher: Stephen Fewer
Organization: Harmony Security
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-4335 (🔍)
X-Force: 35950
Vulnerability Center: 15884 - Qbik WinGate SMTP Server Component Format String Vulnerability Allows Remote Attacker to Cause DoS, High
SecurityFocus: 25272 - WinGate SMTP Session Invalid State Remote Denial Of Service Vulnerability
Secunia: 26412
OSVDB: 39535 - Qbik WinGate SMTP server denial of service
Vupen: ADV-2007-2859

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/23/2019 16:14
Changes: 03/16/2015 12:18 (73), 07/23/2019 16:14 (3)
Complete: 🔍

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