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. It has been rated as problematic. This issue affects an unknown function 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. The summary by CVE is:

The fetchnews NNTP client in leafnode 1.11.2 and earlier can hang while waiting for input that never arrives, which allows remote NNTP servers to cause a denial of service (news loss).

The bug was discovered 06/08/2005. The weakness was disclosed 06/09/2005 (Website). It is possible to read the advisory at leafnode.sourceforge.net. The identification of this vulnerability is CVE-2005-1911 since 06/08/2005. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly 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 19091 (FreeBSD : leafnode -- denial of service vulnerability (b5ffaa2a-ee50-4498-af99-61bc1b163c00)), 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 immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (19091).

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
• 1.9.28
• 1.9.29
• 1.9.30
• 1.9.31
• 1.9.32
• 1.9.33
• 1.9.34
• 1.9.35
• 1.9.36
• 1.9.37
• 1.9.38
• 1.9.39
• 1.9.40
• 1.9.41
• 1.9.42
• 1.9.43
• 1.9.44
• 1.9.45
• 1.9.46
• 1.9.47
• 1.9.48
• 1.9.52
• 1.9.53
• 1.10.0
• 1.11.1

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
ATT&CK: T1499

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: 19091
Nessus Name: FreeBSD : leafnode -- denial of service vulnerability (b5ffaa2a-ee50-4498-af99-61bc1b163c00)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53014
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

06/08/2005 🔍
06/08/2005 +0 days 🔍
06/08/2005 +0 days 🔍
06/08/2005 +0 days 🔍
06/09/2005 +1 days 🔍
06/09/2005 +0 days 🔍
06/09/2005 +0 days 🔍
07/13/2005 +34 days 🔍
07/25/2005 +12 days 🔍
03/11/2015 +3516 days 🔍
06/07/2019 +1549 days 🔍

Sourcesinfo

Advisory: leafnode.sourceforge.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-1911 (🔍)
Vulnerability Center: 8697 - DoS in Fetchnews in Leafnode <= 1.11.2 by Not Supplying Awaited Input, Medium
SecurityFocus: 13901 - Leafnode FetchFews Client Article Header Timeout Remote Denial of Service Vulnerability
OSVDB: 17295 - CVE-2005-1911 - Leafnode - Denial-Of-Service Issue

Entryinfo

Created: 03/11/2015 11:41
Updated: 06/07/2019 14:34
Changes: 03/11/2015 11:41 (67), 06/07/2019 14:34 (7)
Complete: 🔍

Discussion

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