CVE-2005-3060 in AIX
Summary
by MITRE
Buffer overflow in getconf in IBM AIX 5.2 to 5.3 allows local users to execute arbitrary code via unknown vectors.
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Analysis
by VulDB Data Team • 06/29/2025
The vulnerability identified as CVE-2005-3060 represents a critical buffer overflow flaw within the getconf utility of IBM AIX operating systems version 5.2 through 5.3. This issue resides in the system configuration utility that retrieves various system parameters and configuration information. The buffer overflow condition occurs when the getconf command processes certain input parameters or configuration values that exceed the allocated buffer space, creating an exploitable condition that can be leveraged by local attackers to execute arbitrary code with elevated privileges. The vulnerability is particularly concerning because it affects a fundamental system utility that is commonly used by both system administrators and regular users, making it a prime target for exploitation.
The technical implementation of this buffer overflow stems from improper bounds checking within the getconf command's input processing routines. When the utility encounters specific configuration parameters or malformed input data, it fails to validate the length of incoming data before copying it into fixed-size buffers. This classic programming error allows attackers to overwrite adjacent memory locations, potentially corrupting the stack or heap structures. The vulnerability can be exploited through multiple attack vectors including direct invocation of getconf with crafted parameters or indirect exploitation through scripts or applications that rely on getconf for system information gathering. The flaw essentially allows an attacker to manipulate the program execution flow by overwriting return addresses or function pointers in memory.
From an operational perspective, this vulnerability poses significant risks to IBM AIX systems running versions 5.2 through 5.3, as local users can leverage it to gain elevated privileges and execute malicious code. The attack requires local system access, which means that even if the system is not directly exposed to external networks, internal threats remain a serious concern. The implications extend beyond simple privilege escalation, as successful exploitation could lead to complete system compromise, data theft, or service disruption. Organizations using these older AIX versions face particular risk since the vulnerability exists in core system utilities that are frequently accessed and trusted by legitimate users. The nature of the flaw also makes it difficult to detect through standard network monitoring tools, as the attack typically occurs within the local system context rather than through network traffic.
Security mitigations for this vulnerability primarily focus on applying the official IBM security patches and updates that address the buffer overflow condition in the getconf utility. System administrators should immediately upgrade to patched versions of IBM AIX 5.2 and 5.3, as IBM released specific fixes for this vulnerability through their security advisory channels. Additionally, implementing proper input validation procedures and code reviews for system utilities can help prevent similar issues in the future. The vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and represents a classic example of how improper memory management in system utilities can create persistent security weaknesses. Organizations should also consider implementing privilege separation techniques and monitoring for unusual getconf usage patterns to detect potential exploitation attempts. The ATT&CK framework categorizes this vulnerability under privilege escalation techniques, specifically targeting the use of system utilities for gaining elevated access rights, making it relevant to both defensive and offensive cybersecurity operations.