Lysator lsh up to 2.0.1 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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Lysator lsh. The impacted element is an unknown function. The manipulation results in denial of service. This vulnerability is identified as CVE-2005-0814. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Lysator lsh. Affected is an unknown part. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Unknown vulnerability in lshd in Lysator LSH 1.x and 2.x before 2.0.1 allows remote attackers to cause a denial of service via unknown vectors.

The bug was discovered 03/16/2005. The weakness was released 05/02/2005 (Website). The advisory is shared for download at debian.org. This vulnerability is traded as CVE-2005-0814 since 03/20/2005. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit 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 17352 (LSH lshd parse_kexinit() Function Malformed Key Exchange Message Remote DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service and running in the context r.

Upgrading to version 1.x eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (19724), Tenable (17352), SecurityFocus (BID 12829†), OSVDB (14825†) and Secunia (SA14609†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Lysator

Name

• lsh

Version

• 1.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 1.1.5
• 1.1.6
• 1.1.7
• 1.1.8
• 1.1.9
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.3.0
• 1.3.1
• 1.3.2
• 1.3.3
• 1.3.4
• 1.3.5
• 1.3.6
• 1.3.7
• 1.4.1
• 1.4.2
• 1.4.3
• 1.5.1
• 1.5.2
• 1.5.3
• 1.5.4
• 1.5.5
• 2.0
• 2.0.1

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

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: 🔍

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

Nessus ID: 17352
Nessus Name: LSH lshd parse_kexinit() Function Malformed Key Exchange Message Remote DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53544
OpenVAS Name: Debian Security Advisory DSA 717-1 (lsh-utils)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: lsh 1.x

Timelineinfo

03/16/2005 🔍
03/16/2005 +0 days 🔍
03/17/2005 +1 days 🔍
03/17/2005 +0 days 🔍
03/20/2005 +3 days 🔍
03/22/2005 +2 days 🔍
05/02/2005 +41 days 🔍
05/02/2005 +0 days 🔍
03/10/2015 +3599 days 🔍
06/06/2019 +1549 days 🔍

Sourcesinfo

Advisory: debian.org
Status: Not defined

CVE: CVE-2005-0814 (🔍)
GCVE (CVE): GCVE-0-2005-0814
GCVE (VulDB): GCVE-100-24636
X-Force: 19724
SecurityFocus: 12829 - Lysator LSH Unspecified Denial Of Service Vulnerability
Secunia: 14609
OSVDB: 14825 - CVE-2005-0814 - Lysator - LSH - Unspecified Issue
Vulnerability Center: 7378 - DoS in Lysator\x27s LSH, Medium

Entryinfo

Created: 03/10/2015 23:05
Updated: 06/06/2019 10:09
Changes: 03/10/2015 23:05 (68), 06/06/2019 10:09 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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