VDB-16201 · CVE-2000-0990 · XFDB 5382

Krzysztof Dabrowski cmd5checkpw 0.20/0.21 SMTP AUTH Command Username 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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Krzysztof Dabrowski cmd5checkpw 0.20/0.21 and classified as problematic. This impacts an unknown function of the component SMTP AUTH Command Handler. This manipulation of the argument Username causes denial of service. This vulnerability is handled as CVE-2000-0990. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Krzysztof Dabrowski cmd5checkpw 0.20/0.21. Affected by this vulnerability is an unknown part of the component SMTP AUTH Command Handler. The manipulation of the argument Username 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 confidentiality, integrity, and availability. The summary by CVE is:

cmd5checkpw 0.21 and earlier allows remote attackers to cause a denial of service via an "SMTP AUTH" command with an unknown username.

The weakness was released 12/19/2000 (Website). The advisory is shared at archives.neohapsis.com. This vulnerability is known as CVE-2000-0990. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

Upgrading to version 0.22 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5382) and SecurityFocus (BID 1809†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Krzysztof Dabrowski

Name

cmd5checkpw

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: cmd5checkpw 0.22

Timelineinfo

10/16/2000 🔍
12/19/2000 +64 days 🔍
12/19/2000 +0 days 🔍
07/02/2014 +4943 days 🔍
05/28/2018 +1426 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2000-0990 (🔍)
GCVE (CVE): GCVE-0-2000-0990
GCVE (VulDB): GCVE-100-16201
X-Force: 5382 - cmd5checkpw plug-in allows attacker to bypass Qmail authentication
SecurityFocus: 1809 - cmd5checkpw Qmail Remote Password Retrieval Vulnerability

Entryinfo

Created: 07/02/2014 11:21
Updated: 05/28/2018 09:19
Changes: 07/02/2014 11:21 (50), 05/28/2018 09:19 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.