CVE-2007-3552 in bbs100
Summary
by MITRE
Multiple unspecified vulnerabilities in bbs100 before 3.2 allow remote attackers to cause a denial of service (crash) via unspecified vectors, possibly involving certain v*printf and shift_StringIO functions. NOTE: some details were obtained from third party information.
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Analysis
by VulDB Data Team • 08/19/2017
The vulnerability identified as CVE-2007-3552 affects the bbs100 software version 3.2 and earlier, presenting multiple unspecified security flaws that can be exploited remotely to trigger a denial of service condition resulting in system crashes. This vulnerability specifically targets the bbs100 platform which is commonly used for bulletin board systems and online community platforms. The affected software versions contain critical implementation flaws that manifest through unspecified vectors related to v*printf functions and shift_StringIO operations. These functions are fundamental components in the software's handling of formatted output and string manipulation processes, making them prime targets for exploitation. The vulnerability's remote exploitability means that attackers can potentially compromise system availability without requiring local access or authentication, making it particularly concerning for networked environments where bbs100 systems are deployed.
The technical nature of this vulnerability stems from improper handling of printf-style functions and string input operations within the bbs100 software architecture. The v*printf family of functions, which are used for variable argument list processing in C programming, likely contain buffer overflow conditions or improper memory management when processing malformed input data. Similarly, the shift_StringIO functions appear to be susceptible to manipulation through crafted inputs that can cause the software to crash or become unresponsive. These issues fall under the broader category of software implementation flaws that can be categorized as CWE-121, heap-based buffer overflow, or CWE-122, stack-based buffer overflow, depending on the specific implementation details. The vulnerability's classification aligns with ATT&CK technique T1499.004, which covers network denial of service attacks, and T1566.001, which involves spearphishing through social engineering. The root cause likely involves inadequate input validation and memory management practices within the software's core libraries, particularly those handling user-supplied data through printf-style formatting and string operations.
The operational impact of CVE-2007-3552 extends beyond simple system crashes to potentially disrupt entire online communities and communication platforms that rely on bbs100 systems. When exploited successfully, this vulnerability can render affected systems completely unavailable to legitimate users, causing significant downtime and service disruption for organizations that depend on these platforms for their operations. The remote exploitability aspect means that attackers can target multiple systems simultaneously without requiring physical access or insider knowledge, making the vulnerability particularly dangerous for organizations with publicly accessible bbs100 installations. Network administrators and system operators face increased operational burden as they must monitor for exploitation attempts and implement emergency patches or workarounds. The vulnerability's potential to cause cascading failures in interconnected systems means that a single compromised bbs100 instance could potentially affect larger network infrastructure, particularly in environments where these systems serve as communication hubs for multiple users or services. Organizations using affected versions may experience data loss, service interruptions, and potential reputational damage due to the unavailability of their online platforms.
Mitigation strategies for CVE-2007-3552 primarily focus on upgrading to the patched version 3.2 or later of the bbs100 software, which contains the necessary security fixes to address the underlying implementation flaws. System administrators should immediately implement this upgrade process across all affected installations to prevent exploitation attempts. Additional protective measures include implementing network segmentation to isolate bbs100 systems from critical infrastructure, deploying intrusion detection systems to monitor for exploitation attempts, and applying input validation controls to filter potentially malicious data before it reaches the vulnerable functions. Organizations should also establish emergency response procedures that include system monitoring, incident response protocols, and backup restoration capabilities in case of successful exploitation. The vulnerability's nature suggests that implementing proper memory management practices and input validation in the software's printf and string handling functions would provide long-term protection against similar issues. Security monitoring should include tracking for unusual system behavior, unauthorized access attempts, and network traffic patterns that may indicate exploitation activities. Regular security assessments and vulnerability scanning should be conducted to identify other potential weaknesses in the system architecture that could be exploited in conjunction with this vulnerability. Given the age of this vulnerability and the specific nature of the affected functions, organizations should also consider migrating to more modern and actively supported communication platforms that have better security track records and more frequent updates to address emerging threats.