CVE-2001-1062 in OpenServer
Summary
by MITRE
Buffer overflow in mana in OpenServer 5.0.6a and earlier allows local users to execute arbitrary code.
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Analysis
by VulDB Data Team • 06/10/2024
The vulnerability identified as CVE-2001-1062 represents a critical buffer overflow condition within the mana service component of SCO OpenServer 5.0.6a and earlier versions. This flaw exists within the system's network management application that handles various administrative functions, making it a significant security concern for systems running these older operating system versions. The buffer overflow vulnerability specifically affects the mana service which is responsible for managing network connections and administrative communications within the OpenServer environment.
The technical implementation of this vulnerability stems from improper input validation within the mana service when processing network requests. When the service receives specially crafted input data, it fails to properly bounds-check the buffer allocation, allowing an attacker to overwrite adjacent memory locations. This particular flaw falls under the CWE-121 category of stack-based buffer overflow, where insufficient bounds checking enables attackers to overwrite stack data and potentially manipulate program execution flow. The vulnerability occurs during the processing of network management commands, particularly those involving administrative functions that require string handling operations.
The operational impact of this vulnerability extends beyond simple privilege escalation as it provides local attackers with the ability to execute arbitrary code with the privileges of the mana service process. Since this service typically runs with elevated system privileges, successful exploitation could result in complete system compromise. Attackers could leverage this vulnerability to install backdoors, modify system files, or establish persistent access to the compromised system. The local nature of this vulnerability means that an attacker must already have access to the system, but the privilege escalation potential makes it particularly dangerous in environments where local access is possible.
Mitigation strategies for this vulnerability require immediate system updates to the latest OpenServer patches or versions that address the buffer overflow issue. Organizations should implement the official security patches provided by SCO to correct the bounds-checking implementation in the mana service. Additionally, system administrators should consider implementing network segmentation to limit local access points and reduce the attack surface. The vulnerability aligns with ATT&CK technique T1068 which describes the exploitation of local privilege escalation vulnerabilities, and T1059 which covers the execution of commands through system services. Regular security assessments and input validation reviews should be conducted to prevent similar issues in other system components. System monitoring should be enhanced to detect unusual network activity patterns that might indicate exploitation attempts against this or similar vulnerabilities.