CVE-2020-4559 in Spectrum Protect
Summary
by MITRE
IBM Spectrum Protect 7.1 and 8.1 could allow an attacker to cause a denial of service due ti improper validation of user-supplied input. IBM X-Force ID: 183613.
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Analysis
by VulDB Data Team • 11/11/2020
IBM Spectrum Protect versions 7.1 and 8.1 contain a vulnerability that allows attackers to perform denial of service attacks through improper validation of user-supplied input. This weakness falls under the category of insufficient input validation as classified by CWE-20, which represents one of the most prevalent software security flaws in the industry. The vulnerability specifically manifests when the system processes user-provided data without adequate sanitization or validation mechanisms, creating an opportunity for malicious actors to craft specially formatted inputs that can disrupt normal system operations.
The technical implementation of this flaw occurs within the input processing pipeline of the IBM Spectrum Protect service, where user-supplied parameters are not properly validated before being processed. This creates a potential attack surface that can be exploited through various means including malformed requests, unexpected data formats, or crafted payloads designed to trigger buffer overflows, memory corruption, or resource exhaustion conditions. The vulnerability is particularly concerning because it operates at a fundamental level of input handling, making it difficult to detect and prevent through conventional security measures.
From an operational impact perspective, this vulnerability can result in significant service disruption for organizations relying on IBM Spectrum Protect for their backup and recovery operations. The denial of service condition can lead to complete unavailability of the protection services, potentially leaving critical data unprotected during the attack window. System administrators may experience extended downtime while investigating and resolving the issue, which can have cascading effects on business continuity and disaster recovery planning. The vulnerability affects both major versions of the software, indicating a widespread impact across different deployment scenarios and organizational environments.
Organizations should implement immediate mitigations including applying the latest security patches provided by IBM, implementing network segmentation to limit access to the vulnerable service, and establishing monitoring controls to detect anomalous input patterns. The ATT&CK framework categorizes this type of vulnerability under T1499.004 - Endpoint Denial of Service, which emphasizes the importance of input validation and proper error handling in preventing such attacks. Additionally, organizations should consider implementing application firewalls and intrusion detection systems to monitor for exploitation attempts and maintain detailed logging of system activities to facilitate forensic analysis in case of successful attacks.