J-Security Center

Title: ValiCert Enterprise Validation Authority for Solaris Weak Session Token Vulnerability

Severity: MODERATE

Description:

Valicert Enterprise Validation Authority generates a random token when it communicates with Hardware Security Modules. The token is generated with a call to the C rand() function, after it is seeded with the local system time.

System time is reasonably predictable, and does not provide a high level of entropy. As a result, an attacker able to predict the system time or view some generated tokens may be able to predict future tokens.

Potentially, an attacker may use this to manipulate the conversation between the Validation Authority and a Hardware Security Module, leading to further compromise of some digital certificates.

This weakness exists in only the Solaris version of Validation Authority.

Affected Products:

  • Valicert Enterprise Validation Authority 3.3.0
  • Valicert Enterprise Validation Authority 3.4.0
  • Valicert Enterprise Validation Authority 3.5.0
  • Valicert Enterprise Validation Authority 3.6.0
  • Valicert Enterprise Validation Authority 3.7.0
  • Valicert Enterprise Validation Authority 3.8.0
  • Valicert Enterprise Validation Authority 3.9.0
  • Valicert Enterprise Validation Authority 4.0.0
  • Valicert Enterprise Validation Authority 4.1.0
  • Valicert Enterprise Validation Authority 4.2.0
  • Valicert Enterprise Validation Authority 4.2.1

References:

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