F-Secure SSH Server up to 6.0.0.9 SFTP Server logging format string

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in F-Secure SSH Server up to 6.0.0.9. It has been classified as critical. Affected by this issue is the function logging of the component SFTP Server. The manipulation leads to format string. This vulnerability is listed as CVE-2006-0705. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in F-Secure SSH Server up to 6.0.0.9 (SSH Server Software) and classified as critical. This issue affects the function logging of the component SFTP Server. The manipulation with an unknown input leads to a format string vulnerability. Using CWE to declare the problem leads to CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Format string vulnerability in a logging function as used by various SFTP servers, including (1) AttachmateWRQ Reflection for Secure IT UNIX Server before 6.0.0.9, (2) Reflection for Secure IT Windows Server before 6.0 build 38, (3) F-Secure SSH Server for Windows before 5.3 build 35, (4) F-Secure SSH Server for UNIX 3.0 through 5.0.8, (5) SSH Tectia Server 4.3.6 and earlier and 4.4.0, and (6) SSH Shell Server 3.2.9 and earlier, allows remote authenticated users to execute arbitrary commands via unspecified vectors, involving crafted filenames and the stat command.

The weakness was presented 02/15/2006 as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. The identification of this vulnerability is CVE-2006-0705 since 02/15/2006. The exploitation is known to be easy. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 20902 (AttachmateWRQ Reflection for Secure IT Server SFTP Format String), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116690 (SSH Tectia Server Remote Format String Vulnerability).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (24651), Tenable (20902), SecurityFocus (BID 16625†), OSVDB (23172†) and Secunia (SA18828†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20902
Nessus Name: AttachmateWRQ Reflection for Secure IT Server SFTP Format String
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56349
OpenVAS Name: FreeBSD Ports: ssh2, ssh2-nox11
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/13/2006 🔍
02/13/2006 +0 days 🔍
02/13/2006 +0 days 🔍
02/13/2006 +0 days 🔍
02/14/2006 +1 days 🔍
02/15/2006 +1 days 🔍
02/15/2006 +0 days 🔍
02/15/2006 +0 days 🔍
02/21/2006 +6 days 🔍
03/12/2015 +3306 days 🔍
06/22/2025 +3755 days 🔍

Sourcesinfo

Vendor: f-secure.com

Advisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-0705 (🔍)
GCVE (CVE): GCVE-0-2006-0705
GCVE (VulDB): GCVE-100-28733
CERT: 🔍
X-Force: 24651
SecurityFocus: 16625 - AttachmateWRQ Reflection for Secure IT Remote Format String Vulnerability
Secunia: 18828 - SSH Tectia Server SFTP Service Unspecified Vulnerability, Moderately Critical
OSVDB: 23172 - WRQ Reflection Secure IT SFTP Service Filename Logging Format String
SecurityTracker: 1015619
Vulnerability Center: 10409 - Format String Vulnerability in the SFTP Logging Functionality in Various SFTP Servers, Medium
Vupen: ADV-2006-0554

Entryinfo

Created: 03/12/2015 11:11
Updated: 06/22/2025 22:24
Changes: 03/12/2015 11:11 (72), 06/14/2019 12:27 (12), 11/24/2024 03:42 (17), 06/22/2025 22:24 (2)
Complete: 🔍
Cache ID: 216::103

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