OpenSSH up to 3.9.1p1 credentials management

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in OpenSSH. Affected by this vulnerability is an unknown functionality. This manipulation causes credentials management. This vulnerability is registered as CVE-2005-2666. The attack needs to be launched locally. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenSSH (Connectivity Software). It has been declared as problematic. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality. The summary by CVE is:

ssh as implemented in openssh before 4.0 and possibly other implementations stores hostnames ip addresses and keys in plaintext in the known_hosts file which makes it easier for an attacker that has compromised an ssh user s account to generate a list of additional targets that are more likely to have the same password or key.

The bug was discovered 08/23/2007. The weakness was published 08/23/2005 (Website). The advisory is shared at redhat.com. This vulnerability is known as CVE-2005-2666 since 08/23/2005. The exploitation appears to be difficult. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1552 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 67047 (CentOS 4 : openssh (CESA-2007:0257)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156158 (Oracle Enterprise Linux Update for OpenSSH (ELSA-2007-0257)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (40897), Tenable (67047), OSVDB (39165†), Secunia (SA19243†) and Vulnerability Center (SBV-12956†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67047
Nessus Name: CentOS 4 : openssh (CESA-2007:0257)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/23/2005 🔍
08/23/2005 +0 days 🔍
08/23/2005 +0 days 🔍
08/23/2005 +0 days 🔍
03/16/2006 +205 days 🔍
10/22/2006 +220 days 🔍
05/02/2007 +192 days 🔍
08/23/2007 +113 days 🔍
06/29/2013 +2137 days 🔍
03/11/2015 +620 days 🔍
06/30/2025 +3763 days 🔍

Sourcesinfo

Advisory: redhat.com
Status: Confirmed

CVE: CVE-2005-2666 (🔍)
GCVE (CVE): GCVE-0-2005-2666
GCVE (VulDB): GCVE-100-26125

OVAL: 🔍

X-Force: 40897
Secunia: 19243 - SCO OpenServer update for OpenSSH, Less Critical
OSVDB: 39165 - CVE-2005-2666 - OpenSSH - Information-disclosure Issue
Vulnerability Center: 12956 - OpenSSH 4.0 PlainText Storage of Hostnames, IP Addresses and Keys, Medium

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/30/2025 00:16
Changes: 03/11/2015 23:39 (67), 07/10/2019 10:10 (5), 06/30/2025 00:16 (21)
Complete: 🔍
Cache ID: 216::103

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