CVE-2007-1767 in Client Software
Summary
by MITRE
Unspecified vulnerability in (1) Deskbar.dll and (2) Toolbar.dll in AOL 9.0 before February 2007 allows remote attackers to cause a denial of service (browser crash) via unknown vectors.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 10/12/2017
The vulnerability identified as CVE-2007-1767 represents a critical security flaw affecting AOL 9.0 software components, specifically the Deskbar.dll and Toolbar.dll modules. This unspecified weakness was discovered prior to the February 2007 release cycle, indicating a significant gap in the software's security testing and quality assurance processes. The vulnerability resides within the core browser integration components that enable users to access web content and navigate the internet through the AOL interface, making it particularly dangerous as it directly impacts the user's primary means of accessing online services.
The technical nature of this vulnerability manifests as a remote denial of service condition that can be triggered by attackers from external locations without requiring local system access or user interaction. The flaw operates through unspecified vectors that likely involve memory corruption or improper input validation within the affected dynamic link libraries. These DLL components are essential for browser functionality and typically handle user interface elements, navigation commands, and web content rendering. When exploited, the vulnerability causes the browser to crash unexpectedly, effectively rendering the user's internet access unusable until the application is manually restarted. This type of vulnerability falls under the category of software reliability issues that can be leveraged for disruption attacks.
The operational impact of CVE-2007-1767 extends beyond simple service interruption as it represents a potential vector for more sophisticated attacks that could be combined with other exploits. The vulnerability affects users who rely on AOL 9.0 for their primary internet access, which was particularly significant during the mid-2000s when AOL maintained substantial market share among internet service providers. The remote exploit capability means that attackers could potentially target multiple users simultaneously without requiring physical access to their systems, making this a scalable threat. Security researchers categorize such vulnerabilities under CWE-119, which deals with weaknesses in memory management, and they align with ATT&CK techniques involving service stoppage and availability disruption. The flaw essentially creates a condition where legitimate users experience forced disconnection from their internet services, potentially leading to data loss, interrupted communications, and reduced productivity.
Mitigation strategies for this vulnerability primarily involve immediate software updates and patches provided by AOL to address the specific memory handling issues within the Deskbar.dll and Toolbar.dll components. Users should prioritize installing the February 2007 security updates that specifically target these DLL modules, as the vulnerability was known to exist before the release of those patches. Organizations utilizing AOL 9.0 in enterprise environments should implement network monitoring to detect potential exploitation attempts and establish incident response protocols for handling browser crash events. Additionally, system administrators should consider implementing network segmentation to limit the potential impact of successful exploitation attempts and maintain regular security assessments to identify similar vulnerabilities in legacy software components. The vulnerability serves as a reminder of the importance of maintaining up-to-date security patches and the risks associated with using outdated software versions that may contain unpatched security flaws.