CVE-2008-3148 in OllyDBG
Summary
by MITRE
Stack-based buffer overflow in (1) OllyDBG 1.10 and (2) ImpREC 1.7f allows user-assisted attackers to execute arbitrary code via a crafted DLL file that contains a long string.
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Analysis
by VulDB Data Team • 11/01/2024
The vulnerability identified as CVE-2008-3148 represents a critical stack-based buffer overflow affecting two prominent debugging tools: OllyDBG version 1.10 and ImpREC version 1.7f. This flaw resides in the handling of dynamic link library files and demonstrates how seemingly benign file processing operations can become vectors for sophisticated exploitation. The vulnerability operates through a user-assisted attack model where an attacker must convince a victim to load a specially crafted malicious DLL file into the vulnerable debugging environment. This attack pattern aligns with common social engineering techniques that leverage the trust users place in debugging tools during software analysis and reverse engineering activities.
The technical implementation of this buffer overflow stems from inadequate input validation within the parsing routines of both applications when processing DLL metadata strings. When these debugging tools encounter a DLL file containing an excessively long string in its import table or other metadata sections, the applications fail to properly bounds-check the data before copying it onto the stack. This fundamental flaw in memory management creates a situation where attacker-controlled data can overwrite adjacent stack memory, potentially including return addresses and function pointers. The vulnerability maps directly to CWE-121 Stack-based Buffer Overflow, which specifically addresses buffer overflows occurring in stack memory regions where insufficient bounds checking allows data to overflow into adjacent memory locations.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with complete control over the affected debugging environment. When successfully exploited, the buffer overflow enables arbitrary code execution with the privileges of the debugging process, typically running with elevated permissions due to the nature of debugging operations. This privilege escalation capability makes the vulnerability particularly dangerous in environments where debugging tools are frequently used by developers or security professionals with elevated system access. The attack vector requires user interaction through the loading of a malicious DLL, which means the vulnerability cannot be exploited automatically but rather requires social engineering or trusted file delivery mechanisms. This user-assisted nature places the vulnerability in the ATT&CK framework under the T1059.007 technique category, specifically targeting application execution through debugging tools.
Mitigation strategies for CVE-2008-3148 should focus on immediate remediation through software updates and patches provided by the vendors, as well as implementing defensive measures such as restricting the execution of debugging tools in high-risk environments. System administrators should consider implementing application whitelisting policies that restrict the execution of debugging tools to trusted environments only, while security teams should monitor for suspicious DLL loading activities. The vulnerability highlights the importance of input validation in all software components, particularly those handling external data, and underscores the necessity of rigorous code review processes that specifically target memory management practices. Organizations should also implement sandboxing techniques for debugging operations and maintain awareness of the attack surface presented by debugging tools, which often serve as attractive targets for attackers seeking privileged execution capabilities.