J-Security Center

Title: IBM Tivoli Provisioning Manager for OS Deployment Remote Buffer Overflow Vulnerability

Severity: CRITICAL

Description:

IBM Tivoli Provisioning Manager for OS Deployment is used to deploy and manage operating systems from a single remote console.

IBM Tivoli Provisioning Manager for OS Deployment is prone to a remote buffer-overflow vulnerability because it fails to properly perform size checks on user-supplied input.

This issue affects the logging functionality of the HTTP server component. Large values in HTTP request methods can cause a static-sized buffer to be overrun. Attackers must first establish a session with a computer hosting the vulnerable application via TCP port 443. The vulnerable code can be accessed without authenticating.

A remote attacker can exploit this issue to execute arbitrary code with SYSTEM-level privileges or to crash the server process, which could lead to denial-of-service conditions.

Versions prior to IBM Tivoli Provisioning Manager for OS Deployment 5.1.0.3 are vulnerable.

NOTE: This BID was previously titled 'IBM Tivoli Provisioning Manager for OS Deployment Denial of Service Vulnerability' but has been updated to reflect new information.

Affected Products:

  • IBM Tivoli Provisioning Manager for OS Deployment 5.1.0.116
  • IBM Tivoli Provisioning Manager for OS Deployment 5.1.0.116
  • IBM Tivoli Provisioning Manager for OS Deployment 5.1.0.2
  • IBM Tivoli Provisioning Manager for OS Deployment 5.1.0.3

References:

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