CVE-2008-4563 in Tivoli Storage Manager
Summary
by MITRE
Heap-based buffer overflow in adsmdll.dll 5.3.7.7296, as used by the daemon (dsmsvc.exe) in the backup server in IBM Tivoli Storage Manager (TSM) Express 5.3.7.3 and earlier and TSM 5.2, 5.3 before 5.3.6.0, and 5.4.0.0 through 5.4.4.0, allows remote attackers to execute arbitrary code via a crafted length value.
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Analysis
by VulDB Data Team • 05/25/2025
The vulnerability identified as CVE-2008-4563 represents a critical heap-based buffer overflow in the adsmdll.dll component of IBM Tivoli Storage Manager (TSM) Express and TSM server versions. This flaw exists within the daemon process dsmsvc.exe which handles backup server operations, making it a significant security concern for organizations relying on IBM's storage management solutions. The vulnerability specifically affects versions up to and including TSM 5.3.7.3 and TSM 5.2, with affected versions spanning from 5.3.0.0 through 5.3.5.9 and 5.4.0.0 through 5.4.4.0, creating a substantial attack surface across multiple release lines.
The technical implementation of this vulnerability stems from inadequate input validation within the adsmdll.dll library, which processes data structures containing crafted length values that exceed allocated buffer boundaries. When the daemon receives malformed input through network communication channels, the insufficient bounds checking in the heap memory allocation routines leads to memory corruption that can be exploited by remote attackers. This heap overflow condition allows attackers to overwrite adjacent memory locations, potentially enabling arbitrary code execution with the privileges of the running daemon process. The vulnerability's classification as a heap-based buffer overflow aligns with CWE-121, which specifically addresses stack-based and heap-based buffer overflow conditions, and represents a classic exploitation vector for privilege escalation attacks.
From an operational perspective, this vulnerability poses severe risks to organizations using IBM Tivoli Storage Manager solutions, as remote attackers can leverage the flaw to gain unauthorized system access without requiring prior authentication. The daemon process typically runs with elevated privileges necessary for storage management operations, making successful exploitation particularly dangerous for data integrity and confidentiality. Organizations with backup infrastructure relying on affected TSM versions face potential data loss, system compromise, and unauthorized access to critical storage resources. The remote attack vector eliminates the need for physical access or local system compromise, significantly increasing the attack surface and making the vulnerability particularly attractive to cybercriminals seeking to exploit enterprise storage environments.
Mitigation strategies for CVE-2008-4563 should prioritize immediate patch deployment from IBM, as the vendor released security updates addressing this specific heap overflow vulnerability. Organizations should implement network segmentation to limit access to TSM daemon services and restrict communication to trusted networks only, following ATT&CK technique T1046 for network service scanning and T1068 for exploit development. Additional defensive measures include monitoring network traffic for unusual patterns in backup communications and implementing intrusion detection systems to identify potential exploitation attempts. The vulnerability's nature makes it particularly susceptible to automated exploitation, necessitating proactive security measures including regular vulnerability assessments and network monitoring to detect unauthorized access attempts. System administrators should also consider disabling unnecessary backup services and implementing least privilege access controls for TSM daemon processes to minimize potential impact if exploitation occurs.