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.
5.1	$0-$5k	0.00

A vulnerability was found in Leafnode and classified as problematic. Affected by this issue is some unknown processing of the component Fetchnews NNTP Client. 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:

The fetchnews NNTP client in leafnode 1.9.3 to 1.9.41 allows remote attackers to cause a denial of service (process hang and termination) via certain malformed Usenet news articles that cause fetchnews to hang while waiting for input.

The bug was discovered 09/03/2003. The weakness was shared 09/04/2003 (Website). The advisory is available at marc.theaimsgroup.com. This vulnerability is handled as CVE-2003-0744 since 09/04/2003. 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.

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 18995 (FreeBSD : leafnode fetchnews denial-of-service triggered by missing header (7b0208ff-3f65-4e16-8d4d-48fd9851f085)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (13098) and Tenable (18995).

Productinfo

Name

• Leafnode

Version

• 1.9.19
• 1.9.20
• 1.9.21
• 1.9.22
• 1.9.23
• 1.9.24
• 1.9.25
• 1.9.26
• 1.9.27
• 1.9.29
• 1.9.30
• 1.9.31
• 1.9.35
• 1.9.36
• 1.9.37
• 1.9.38
• 1.9.39
• 1.9.40
• 1.9.41

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 🔍

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

Nessus ID: 18995
Nessus Name: FreeBSD : leafnode fetchnews denial-of-service triggered by missing header (7b0208ff-3f65-4e16-8d4d-48fd9851f085)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 52456
OpenVAS Name: FreeBSD Ports: leafnode
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

09/03/2003 🔍
09/04/2003 +1 days 🔍
09/04/2003 +0 days 🔍
09/04/2003 +0 days 🔍
10/20/2003 +46 days 🔍
10/20/2003 +0 days 🔍
04/09/2004 +171 days 🔍
05/21/2004 +42 days 🔍
07/13/2005 +418 days 🔍
07/25/2005 +12 days 🔍
08/15/2014 +3308 days 🔍
06/07/2019 +1757 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2003-0744 (🔍)
X-Force: 13098
Vulnerability Center: 8688 - DoS in Fetchnews in Leafnode 1.9.3 - 1.9.41 via Malformed Usenet Articles, Medium
SecurityFocus: 8541 - Leafnode fetchnews Client Remote Denial of Service Vulnerability
Secunia: 9678
OSVDB: 6452 - leafnode fetchnews Client Malformed Usenet Post DoS

Entryinfo

Created: 08/15/2014 14:38
Updated: 06/07/2019 12:45
Changes: 08/15/2014 14:38 (74), 06/07/2019 12:45 (5)
Complete: 🔍

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