CVE-2012-4980 in ConfigFree Utility
Summary
by MITRE
Multiple stack-based buffer overflows in CFProfile.exe in Toshiba ConfigFree Utility 8.0.38 allow user-assisted attackers to execute arbitrary code.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 03/17/2024
The vulnerability identified as CVE-2012-4980 represents a critical security flaw in Toshiba's ConfigFree Utility version 8.0.38 where the CFProfile.exe component suffers from multiple stack-based buffer overflows. This issue creates a significant attack surface that can be exploited by malicious actors with minimal user interaction. The vulnerability stems from improper input validation within the application's handling of user-supplied data, specifically when processing configuration profiles or related data structures. These buffer overflows occur in the stack memory region where the application fails to properly bounds-check data inputs before copying them into fixed-size buffers, creating opportunities for attackers to overwrite adjacent memory locations and potentially execute arbitrary code.
The technical nature of this vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite stack data structures and potentially control program execution flow. The exploitation scenario requires a user to interact with the vulnerable application, making it a user-assisted attack vector that can be leveraged through social engineering or by tricking users into processing maliciously crafted input files. Attackers can manipulate the application's behavior by supplying carefully crafted input that exceeds the allocated buffer space, causing the stack to overflow and potentially redirecting execution to malicious code injected into the process memory.
The operational impact of this vulnerability extends beyond simple code execution, as it can enable attackers to gain unauthorized access to systems running the affected software. The attack surface is particularly concerning because it affects a utility application that may run with elevated privileges or have access to sensitive system configuration data. This vulnerability can be exploited to install malware, modify system settings, or compromise the integrity of the affected system. The fact that this affects a utility application rather than a core operating system component means that exploitation may be less detectable by traditional security controls, potentially allowing prolonged unauthorized access to target systems.
Mitigation strategies for CVE-2012-4980 should focus on immediate patching of the Toshiba ConfigFree Utility to version 8.0.40 or later, which contains the necessary fixes for the buffer overflow conditions. Organizations should also implement application whitelisting policies to restrict execution of untrusted binaries and monitor for unusual activity patterns that might indicate exploitation attempts. Network segmentation and access controls should be reinforced to limit the potential impact if exploitation occurs. The vulnerability demonstrates the importance of proper input validation and memory management practices, aligning with ATT&CK technique T1059.007 for command and scripting interpreter execution, as successful exploitation could lead to command execution within the compromised system. Additionally, this vulnerability highlights the need for comprehensive software security testing including fuzzing and static analysis to identify similar issues in legacy applications that may not receive regular security updates.