Buffer overflow in the Journal Based Backup (JBB) feature in the backup-archive client in IBM Tivoli Storage Manager (TSM) before 5.4.3.4, 5.5.x before 5.5.3, 6.x before 6.1.4, and 6.2.x before 6.2.2 on Windows and AIX allows local users to gain privileges via unspecified vectors.