CVE-2007-0510 in AWFFull
Summary
by MITRE
Multiple buffer overflows in (1) graphs.c, (2) output.c, and (3) preserve.c in AWFFull 3.7.1 and earlier have unknown impact and attack vectors. NOTE: some of these details are obtained from third party information. NOTE: There may not be any attack vector that crosses privilege boundaries.
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Analysis
by VulDB Data Team • 08/18/2018
The vulnerability identified as CVE-2007-0510 represents a critical security flaw affecting AWFFull versions 3.7.1 and earlier, specifically targeting three distinct source code files including graphs.c, output.c, and preserve.c. This classification falls under the category of buffer overflow vulnerabilities, which are among the most dangerous software defects due to their potential for arbitrary code execution and system compromise. Buffer overflows occur when a program writes more data to a fixed-length buffer than it can accommodate, causing adjacent memory to be overwritten and potentially allowing attackers to execute malicious code or crash the application.
The technical nature of these buffer overflows in AWFFull stems from inadequate input validation and memory management practices within the affected source files. In graphs.c, output.c, and preserve.c, programmers likely failed to implement proper bounds checking when processing user-supplied data or file inputs. This deficiency creates exploitable conditions where maliciously crafted input could overflow the allocated buffer space and overwrite critical memory segments including return addresses, function pointers, or other control data structures. According to CWE classification, these vulnerabilities map to CWE-121, CWE-122, and CWE-125, which encompass stack-based and heap-based buffer overflows that can lead to privilege escalation and system compromise. The attack vectors for these vulnerabilities remain partially unknown, as indicated in the original description, suggesting that the exact methods of exploitation have not been fully documented or may require specific conditions to be met.
The operational impact of CVE-2007-0510 extends beyond simple application crashes, as buffer overflows in web server software like AWFFull can potentially enable remote code execution attacks. When these vulnerabilities exist in a server environment, they could allow attackers to gain unauthorized access to the system, execute arbitrary commands, or even establish persistent backdoors. The fact that there may not be any attack vector that crosses privilege boundaries suggests that exploitation might be limited to local users or require specific environmental conditions, but this does not diminish the severity of the vulnerability. The potential for privilege escalation remains a significant concern, particularly in environments where AWFFull operates with elevated privileges or processes sensitive user data. These vulnerabilities align with ATT&CK techniques such as T1059 for command and scripting interpreter and T1068 for exploit for privilege escalation, making them particularly dangerous in enterprise environments where web server security is paramount.
Mitigation strategies for CVE-2007-0510 should prioritize immediate remediation through software updates to AWFFull versions that address these buffer overflow conditions. Organizations should implement comprehensive input validation measures and ensure that all user-supplied data is properly sanitized before processing. Memory protection mechanisms including stack canaries, address space layout randomization, and data execution prevention should be enabled to reduce exploitability. Regular security audits and code reviews focusing on memory management practices can help identify similar vulnerabilities in other software components. System administrators should also monitor for suspicious network activity and implement network segmentation to limit the potential impact of successful exploitation attempts. The vulnerability serves as a reminder of the importance of maintaining up-to-date software and implementing robust security practices throughout the software development lifecycle to prevent similar issues from occurring in future releases.