CVE-2008-7004 in ELOG
Summary
by MITRE
Buffer overflow in Electronic Logbook (ELOG) before 2.7.1 has unknown impact and attack vectors, possibly related to elog.c.
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Analysis
by VulDB Data Team • 11/21/2018
The vulnerability identified as CVE-2008-7004 represents a critical buffer overflow condition within the Electronic Logbook (ELOG) software suite, specifically affecting versions prior to 2.7.1. This type of vulnerability falls under the CWE-121 category of Stack-based Buffer Overflow, where insufficient bounds checking allows attackers to overwrite adjacent memory locations. The ELOG system, designed for logging and monitoring purposes in industrial environments, becomes particularly susceptible to this flaw due to its reliance on user-provided data inputs that are processed without adequate validation mechanisms.
The technical implementation of this vulnerability appears to be rooted in the elog.c source file, which likely handles core logging operations and data processing functions. Buffer overflow conditions in such systems typically occur when programs fail to properly validate input lengths before copying data into fixed-size buffers, creating opportunities for malicious actors to inject arbitrary code or cause system instability. The unspecified nature of both the impact and attack vectors suggests that this vulnerability could potentially be exploited through multiple pathways, including but not limited to command injection, privilege escalation, or denial of service scenarios that could compromise the integrity of the logging infrastructure.
From an operational standpoint, the implications of this vulnerability extend beyond simple system crashes or data corruption. Organizations relying on ELOG for critical logging operations face potential security breaches where attackers could manipulate log data to hide malicious activities, gain unauthorized access to sensitive information, or disrupt critical system operations. The vulnerability's presence in industrial control systems makes it particularly concerning as it could potentially affect operational technology environments where system reliability and security are paramount. The lack of specific attack vector information indicates that this vulnerability may be exploitable through various means including network-based attacks, local privilege escalation, or even physical access scenarios.
The mitigation strategy for CVE-2008-7004 requires immediate implementation of the vendor-provided patch version 2.7.1, which addresses the buffer overflow condition through proper input validation and bounds checking mechanisms. System administrators should conduct comprehensive vulnerability assessments to identify all instances of affected ELOG installations within their environments, particularly in industrial control systems where such vulnerabilities could have cascading effects. Additionally, implementing network segmentation and access controls can help limit the potential impact of exploitation attempts. The vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, as attackers could potentially leverage this buffer overflow to execute arbitrary commands within the affected systems, making it a critical concern for organizations implementing the MITRE ATT&CK framework for cybersecurity defense. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts targeting this specific vulnerability pattern.