Vulnerability Monitor

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CVE-2009-1632

Multiple memory leaks in Ipsec-tools before 0.7.2 allow remote attackers to cause a denial of service (memory consumption) via vectors involving (1) signature verification during user authentication with X.509 certificates, related to the eay_check_x509sign function in src/racoon/crypto_openssl.c; and (2) the NAT-Traversal (aka NAT-T) keepalive implementation, related to src/racoon/nattraversal.c.

Security Impact Summary

CVE-2009-1632 is a security vulnerability that . Impacting 1 product from ipsec-tools organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, 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

2009-05-14T17:30:00.813

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application ipsec-tools ipsec-tools ≤ 0.7.1 Yes
Application ipsec-tools ipsec-tools 0.1 Yes
Application ipsec-tools ipsec-tools 0.2 Yes
Application ipsec-tools ipsec-tools 0.2.1 Yes
Application ipsec-tools ipsec-tools 0.2.2 Yes
Application ipsec-tools ipsec-tools 0.2.3 Yes
Application ipsec-tools ipsec-tools 0.2.4 Yes
Application ipsec-tools ipsec-tools 0.3 Yes
Application ipsec-tools ipsec-tools 0.3 Yes
Application ipsec-tools ipsec-tools 0.3 Yes
Application ipsec-tools ipsec-tools 0.3 Yes
Application ipsec-tools ipsec-tools 0.3 Yes
Application ipsec-tools ipsec-tools 0.3 Yes
Application ipsec-tools ipsec-tools 0.3.1 Yes
Application ipsec-tools ipsec-tools 0.3.2 Yes
Application ipsec-tools ipsec-tools 0.3.3 Yes
Application ipsec-tools ipsec-tools 0.3_rc1 Yes
Application ipsec-tools ipsec-tools 0.3_rc2 Yes
Application ipsec-tools ipsec-tools 0.3_rc3 Yes
Application ipsec-tools ipsec-tools 0.3_rc4 Yes
Application ipsec-tools ipsec-tools 0.3_rc5 Yes
Application ipsec-tools ipsec-tools 0.4 Yes
Application ipsec-tools ipsec-tools 0.4 Yes
Application ipsec-tools ipsec-tools 0.5 Yes
Application ipsec-tools ipsec-tools 0.5.1 Yes
Application ipsec-tools ipsec-tools 0.5.2 Yes
Application ipsec-tools ipsec-tools 0.6 Yes
Application ipsec-tools ipsec-tools 0.6.1 Yes
Application ipsec-tools ipsec-tools 0.6.2 Yes
Application ipsec-tools ipsec-tools 0.6.3 Yes
Application ipsec-tools ipsec-tools 0.6.4 Yes
Application ipsec-tools ipsec-tools 0.6.5 Yes
Application ipsec-tools ipsec-tools 0.6.6 Yes
Application ipsec-tools ipsec-tools 0.6.7 Yes
Application ipsec-tools ipsec-tools 0.7 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 ipsec-tools'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.