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CVE-2008-5161


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.


Security Impact Summary

CVE-2008-5161 is a security vulnerability that . Impacting 5 products from openbsd, from ssh, from ssh and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2008, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.


Published

2008-11-19T17:30:00.670

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 2.6 (LOW)

CVSSv2 Vector

AV:N/AC:H/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

4.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-200

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openbsd openssh 4.7p1 Yes
Application ssh tectia_client 4.0 Yes
Application ssh tectia_client 4.0.1 Yes
Application ssh tectia_client 4.0.3 Yes
Application ssh tectia_client 4.0.4 Yes
Application ssh tectia_client 4.0.5 Yes
Application ssh tectia_client 4.2 Yes
Application ssh tectia_client 4.2.1 Yes
Application ssh tectia_client 4.3 Yes
Application ssh tectia_client 4.3.1 Yes
Application ssh tectia_client 4.3.1j Yes
Application ssh tectia_client 4.3.2 Yes
Application ssh tectia_client 4.3.2j Yes
Application ssh tectia_client 4.3.3 Yes
Application ssh tectia_client 4.3.4 Yes
Application ssh tectia_client 4.3.5 Yes
Application ssh tectia_client 4.3.6 Yes
Application ssh tectia_client 4.3.7 Yes
Application ssh tectia_client 4.3.8k Yes
Application ssh tectia_client 4.3.9k Yes
Application ssh tectia_client 4.4 Yes
Application ssh tectia_client 4.4.1 Yes
Application ssh tectia_client 4.4.2 Yes
Application ssh tectia_client 4.4.3 Yes
Application ssh tectia_client 4.4.4 Yes
Application ssh tectia_client 4.4.6 Yes
Application ssh tectia_client 4.4.7 Yes
Application ssh tectia_client 4.4.8 Yes
Application ssh tectia_client 4.4.9 Yes
Application ssh tectia_client 4.4.10 Yes
Application ssh tectia_client 4.4.11 Yes
Application ssh tectia_client 5.0.0 Yes
Application ssh tectia_client 5.0.0f Yes
Application ssh tectia_client 5.0.1 Yes
Application ssh tectia_client 5.0.1f Yes
Application ssh tectia_client 5.0.2 Yes
Application ssh tectia_client 5.0.2f Yes
Application ssh tectia_client 5.0.3 Yes
Application ssh tectia_client 5.0.3f Yes
Application ssh tectia_client 5.1.0 Yes
Application ssh tectia_client 5.1.1 Yes
Application ssh tectia_client 5.1.2 Yes
Application ssh tectia_client 5.1.3 Yes
Application ssh tectia_client 5.2.0 Yes
Application ssh tectia_client 5.2.1 Yes
Application ssh tectia_client 5.2.2 Yes
Application ssh tectia_client 5.2.3 Yes
Application ssh tectia_client 5.2.4 Yes
Application ssh tectia_client 5.3.0 Yes
Application ssh tectia_client 5.3.1 Yes
Application ssh tectia_client 5.3.2 Yes
Application ssh tectia_client 5.3.3 Yes
Application ssh tectia_client 5.3.5 Yes
Application ssh tectia_client 5.3.6 Yes
Application ssh tectia_client 5.3.7 Yes
Application ssh tectia_client 5.3.8 Yes
Application ssh tectia_client 6.0.0 Yes
Application ssh tectia_client 6.0.1 Yes
Application ssh tectia_client 6.0.2 Yes
Application ssh tectia_client 6.0.3 Yes
Application ssh tectia_client 6.0.4 Yes
Application ssh tectia_connector 4.0.7 Yes
Application ssh tectia_connector 4.1.2 Yes
Application ssh tectia_connector 4.1.3 Yes
Application ssh tectia_connector 4.1.5 Yes
Application ssh tectia_connector 4.2.0 Yes
Application ssh tectia_connector 4.3.0 Yes
Application ssh tectia_connector 4.3.4 Yes
Application ssh tectia_connector 4.3.5 Yes
Application ssh tectia_connector 4.4.0 Yes
Application ssh tectia_connector 4.4.2 Yes
Application ssh tectia_connector 4.4.4 Yes
Application ssh tectia_connector 4.4.6 Yes
Application ssh tectia_connector 4.4.7 Yes
Application ssh tectia_connector 4.4.9 Yes
Application ssh tectia_connector 4.4.10 Yes
Application ssh tectia_connector 5.0.0 Yes
Application ssh tectia_connector 5.0.1 Yes
Application ssh tectia_connector 5.0.2 Yes
Application ssh tectia_connector 5.0.3 Yes
Application ssh tectia_connector 5.1.0 Yes
Application ssh tectia_connector 5.1.1 Yes
Application ssh tectia_connector 5.1.2 Yes
Application ssh tectia_connector 5.1.3 Yes
Application ssh tectia_connector 5.2.2 Yes
Application ssh tectia_connector 5.3.0 Yes
Application ssh tectia_connector 5.3.1 Yes
Application ssh tectia_connector 5.3.2 Yes
Application ssh tectia_connector 5.3.3 Yes
Application ssh tectia_connector 5.3.7 Yes
Application ssh tectia_connector 5.3.8 Yes
Application ssh tectia_connectsecure 6.0.0 Yes
Application ssh tectia_connectsecure 6.0.1 Yes
Application ssh tectia_connectsecure 6.0.2 Yes
Application ssh tectia_connectsecure 6.0.3 Yes
Application ssh tectia_connectsecure 6.0.4 Yes
Application ssh tectia_server 4.0 Yes
Application ssh tectia_server 4.0.3 Yes
Application ssh tectia_server 4.0.4 Yes
Application ssh tectia_server 4.0.5 Yes
Application ssh tectia_server 4.0.7 Yes
Application ssh tectia_server 4.1.2 Yes
Application ssh tectia_server 4.1.3 Yes
Application ssh tectia_server 4.1.5 Yes
Application ssh tectia_server 4.2.0 Yes
Application ssh tectia_server 4.2.1 Yes
Application ssh tectia_server 4.2.2 Yes
Application ssh tectia_server 4.3 Yes
Application ssh tectia_server 4.3.0 Yes
Application ssh tectia_server 4.3.1 Yes
Application ssh tectia_server 4.3.2 Yes
Application ssh tectia_server 4.3.3 Yes
Application ssh tectia_server 4.3.4 Yes
Application ssh tectia_server 4.3.5 Yes
Application ssh tectia_server 4.3.6 Yes
Application ssh tectia_server 4.3.7 Yes
Application ssh tectia_server 4.4 Yes
Application ssh tectia_server 4.4.0 Yes
Application ssh tectia_server 4.4.1 Yes
Application ssh tectia_server 4.4.2 Yes
Application ssh tectia_server 4.4.4 Yes
Application ssh tectia_server 4.4.5 Yes
Application ssh tectia_server 4.4.6 Yes
Application ssh tectia_server 4.4.7 Yes
Application ssh tectia_server 4.4.8 Yes
Application ssh tectia_server 4.4.9 Yes
Application ssh tectia_server 4.4.10 Yes
Application ssh tectia_server 4.4.11 Yes
Application ssh tectia_server 5.0.0 Yes
Application ssh tectia_server 5.0.1 Yes
Application ssh tectia_server 5.0.2 Yes
Application ssh tectia_server 5.0.3 Yes
Application ssh tectia_server 5.1.0 Yes
Application ssh tectia_server 5.1.1 Yes
Application ssh tectia_server 5.1.1 Yes
Application ssh tectia_server 5.1.2 Yes
Application ssh tectia_server 5.1.3 Yes
Application ssh tectia_server 5.2.0 Yes
Application ssh tectia_server 5.2.0 Yes
Application ssh tectia_server 5.2.1 Yes
Application ssh tectia_server 5.2.2 Yes
Application ssh tectia_server 5.2.2 Yes
Application ssh tectia_server 5.2.3 Yes
Application ssh tectia_server 5.2.4 Yes
Application ssh tectia_server 5.3.0 Yes
Application ssh tectia_server 5.3.0 Yes
Application ssh tectia_server 5.3.1 Yes
Application ssh tectia_server 5.3.2 Yes
Application ssh tectia_server 5.3.3 Yes
Application ssh tectia_server 5.3.4 Yes
Application ssh tectia_server 5.3.5 Yes
Application ssh tectia_server 5.3.6 Yes
Application ssh tectia_server 5.3.7 Yes
Application ssh tectia_server 5.3.8 Yes
Application ssh tectia_server 5.4.0 Yes
Application ssh tectia_server 5.4.1 Yes
Application ssh tectia_server 5.4.2 Yes
Application ssh tectia_server 5.5.0 Yes
Application ssh tectia_server 5.5.1 Yes
Application ssh tectia_server 6.0.0 Yes
Application ssh tectia_server 6.0.0 Yes
Application ssh tectia_server 6.0.1 Yes
Application ssh tectia_server 6.0.1 Yes
Application ssh tectia_server 6.0.2 Yes
Application ssh tectia_server 6.0.3 Yes
Application ssh tectia_server 6.0.4 Yes
Application ssh tectia_server 6.0.4 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openbsd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.