SSH Tectia Client up to 5.0.3 Error information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in SSH Tectia Client up to 5.0.3 and classified as problematic. Affected by this issue is some unknown functionality of the component Error Handler. Executing a manipulation can lead to information disclosure. This vulnerability is tracked as CVE-2008-5161. No exploit exists.

Detailsinfo

A vulnerability has been found in SSH Tectia Client up to 5.0.3 (SSH Server Software) and classified as problematic. This vulnerability affects an unknown code of the component Error Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

Error handling in the SSH protocol in (1) SSH Tectia Client and Server and Connector 4.0 through 4.4.11, 5.0 through 5.2.4, and 5.3 through 5.3.8; Client and Server and ConnectSecure 6.0 through 6.0.4; Server for Linux on IBM System z 6.0.4; Server for IBM z/OS 5.5.1 and earlier, 6.0.0, and 6.0.1; and Client 4.0-J through 4.3.3-J and 4.0-K through 4.3.10-K; and (2) OpenSSH 4.7p1 and possibly other versions, when using a block cipher algorithm in Cipher Block Chaining (CBC) mode, makes it easier for remote attackers to recover certain plaintext data from an arbitrary block of ciphertext in an SSH session via unknown vectors.

The weakness was disclosed 11/19/2008 by Martin as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2008-5161 since 11/19/2008. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 70658 (SSH Server CBC Mode Ciphers Enabled), 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 118113 (IBM AIX OpenSSH Multiple Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (46620), Tenable (70658), SecurityFocus (BID 32319†), OSVDB (49872†) and Secunia (SA33121†). The entry VDB-43331 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

ADP CISA Base Score: 3.7
ADP CISA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
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: 70658
Nessus Name: SSH Server CBC Mode Ciphers Enabled
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 880802
OpenVAS Name: CentOS Update for openssh CESA-2009:1287 centos5 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/14/2008 🔍
11/19/2008 +5 days 🔍
11/19/2008 +0 days 🔍
11/19/2008 +0 days 🔍
11/19/2008 +0 days 🔍
11/24/2008 +5 days 🔍
12/11/2008 +17 days 🔍
12/11/2008 +0 days 🔍
10/28/2013 +1782 days 🔍
03/17/2015 +505 days 🔍
05/28/2026 +4090 days 🔍

Sourcesinfo

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

CVE: CVE-2008-5161 (🔍)
GCVE (CVE): GCVE-0-2008-5161
GCVE (VulDB): GCVE-100-45112

OVAL: 🔍

CERT: 🔍
X-Force: 46620
SecurityFocus: 32319 - OpenSSH CBC Mode Information Disclosure Vulnerability
Secunia: 33121 - Sun Solaris SSH CBC Mode Plaintext Recovery Vulnerability, Less Critical
OSVDB: 49872 - SSH Tectia Multiple Products CBC Mode Chosen Ciphertext 32-bit Chunk Plaintext Context Disclosure
SecurityTracker: 1021382
Vulnerability Center: 20063 - SSH Tectia Client, Server and Connector and OpenSSH Remote Plaintext Data Disclosure, Medium
Vupen: ADV-2008-3172

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 05/28/2026 21:41
Changes: 03/17/2015 16:11 (86), 08/21/2019 09:32 (1), 12/30/2024 02:37 (17), 05/28/2026 21:41 (11)
Complete: 🔍
Cache ID: 216::103

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