VDB-586 · SA11302

Qmail 1.x Non-Delivery Notification denial of service

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.
5.0	$0-$5k	0.00

A vulnerability classified as critical was found in Qmail 1.x (Mail Server Software). This vulnerability affects an unknown code block of the component Non-Delivery Notification Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was released 04/05/2004 by Stefan Frei, Ivo Silvestri and Gunter Ollmann (Website). The advisory is available at techzoom.net. The attack can be initiated remotely. Technical details are unknown but an exploit is available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

It is possible to download the exploit at techzoom.net. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at qmail.org.

Additional details are provided at heise.de.

Productinfo

Type

Mail Server Software

Name

Qmail

Version

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍

Patch: qmail.org

Timelineinfo

04/05/2004 🔍
04/13/2004 +8 days 🔍
06/28/2019 +5554 days 🔍

Sourcesinfo

Advisory: techzoom.net
Researcher: Stefan Frei, Ivo Silvestri, Gunter Ollmann
Status: Not defined
Secunia: 11302 - Qmail Non-Delivery Notification DDoS Security Issue, Less Critical

Misc.: 🔍

Entryinfo

Created: 04/13/2004 10:59
Updated: 06/28/2019 08:09
Changes: 04/13/2004 10:59 (48), 06/28/2019 08:09 (5)
Complete: 🔍