CVE-2008-0584 in AIX
Summary
by MITRE
Multiple buffer overflows in bos.rte.control in IBM AIX 5.2 and 5.3 allow local users to gain privileges via unspecified vectors related to the (1) swap, (2) swapoff, and (3) swapon programs.
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Analysis
by VulDB Data Team • 06/01/2025
The vulnerability identified as CVE-2008-0584 represents a critical security flaw within IBM AIX 5.2 and 5.3 operating systems, specifically affecting the bos.rte.control component. This issue manifests as multiple buffer overflows that occur in three distinct system programs: swap, swapoff, and swapon. These programs are fundamental utilities responsible for managing virtual memory swap space on Unix-based systems, making them critical components of system operation and security. The vulnerability's classification as a local privilege escalation vector indicates that attackers with existing user-level access can exploit these flaws to elevate their privileges to root level, potentially compromising entire system environments.
The technical nature of this vulnerability stems from improper input validation and memory management within the affected system utilities. Buffer overflows occur when programs write more data to a fixed-length memory buffer than it can accommodate, causing adjacent memory locations to be overwritten. In the context of the swap family of programs, this flaw likely arises from insufficient bounds checking when processing command-line arguments or system configuration parameters. The specific vectors involve the interaction between these programs and the underlying kernel subsystems that manage memory swapping operations, creating opportunities for malicious input to corrupt memory structures and potentially redirect program execution flow. This type of vulnerability directly maps to CWE-121, which describes heap-based buffer overflow conditions, and CWE-122, which addresses stack-based buffer overflow conditions.
The operational impact of CVE-2008-0584 extends beyond simple privilege escalation, as it fundamentally undermines system integrity and confidentiality. Local users who can execute these programs gain the ability to execute arbitrary code with elevated privileges, potentially leading to complete system compromise. Attackers could leverage this vulnerability to install backdoors, modify critical system files, or establish persistent access to the compromised system. The vulnerability affects systems where these specific AIX versions are deployed, creating widespread exposure across enterprise environments that rely on IBM's operating system for mission-critical applications. Given that swap operations are frequently performed during system maintenance and normal operation, the attack surface for exploitation remains relatively high, making this vulnerability particularly dangerous in production environments.
Mitigation strategies for this vulnerability should focus on immediate system updates and access controls. IBM released patches for AIX 5.2 and 5.3 that address the buffer overflow conditions in the affected programs, and system administrators should prioritize applying these security updates. Additionally, implementing strict access controls to limit who can execute swap-related commands provides an additional layer of defense. The principle of least privilege should be enforced, ensuring that only authorized system administrators have access to these critical utilities. System monitoring should be enhanced to detect suspicious execution patterns of swap programs, and regular security audits should verify that no unauthorized modifications have occurred. From an ATT&CK framework perspective, this vulnerability corresponds to privilege escalation techniques and system binary exploitation, making it a significant concern for organizations implementing comprehensive cybersecurity frameworks. Organizations should also consider implementing intrusion detection systems that can identify attempts to exploit such memory corruption vulnerabilities, as the attack patterns often leave detectable traces in system logs and network traffic.