CVE-2010-2420 in ActiveGeckoBrowser
Summary
by MITRE
Multiple unspecified vulnerabilities in Fenrir Inc. ActiveGeckoBrowser 1.0.0 and 1.0.5 alpha, a module for the Sleipnir web browser, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors related to the Gecko engine.
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Analysis
by VulDB Data Team • 03/27/2019
The vulnerability identified as CVE-2010-2420 affects ActiveGeckoBrowser 1.0.0 and 1.0.5 alpha modules used within the Sleipnir web browser ecosystem. This issue represents a critical security flaw that stems from the underlying Gecko engine implementation within the browser module. The vulnerability manifests through unspecified attack vectors that enable remote exploitation, making it particularly dangerous in networked environments where users may encounter malicious content without direct knowledge of the threat. The affected versions demonstrate the typical risks associated with alpha software releases that may contain incomplete security hardening measures.
The technical nature of this vulnerability involves memory corruption issues within the Gecko engine component that governs web page rendering and script execution. When processing malformed or specially crafted web content, the ActiveGeckoBrowser module fails to properly validate input data, leading to unpredictable behavior that can result in application crashes or potentially arbitrary code execution. This type of vulnerability falls under the category of memory safety issues commonly referenced in CWE-119 and CWE-125, where improper memory handling leads to exploitable conditions. The lack of specific vector details in the original description suggests that multiple attack surfaces within the Gecko engine implementation may be affected, making the vulnerability particularly challenging to defend against.
The operational impact of CVE-2010-2420 extends beyond simple denial of service conditions to potentially enable remote code execution, representing a severe threat to system integrity and user security. Attackers can exploit this vulnerability through web-based attacks without requiring local access to the target system, making it particularly dangerous in enterprise environments where users may encounter malicious web content through email attachments, web browsing, or compromised websites. The vulnerability directly impacts the browser's stability and security model, potentially allowing attackers to bypass security controls and execute malicious payloads with the privileges of the affected user. This type of vulnerability is commonly classified under the MITRE ATT&CK framework's technique T1059 for command and script injection, as successful exploitation could enable persistent access and further compromise.
Mitigation strategies for CVE-2010-2420 should prioritize immediate software updates from the vendor, as this vulnerability affects a specific module within the Sleipnir browser ecosystem. Organizations should implement network-based protections including web proxies with content filtering capabilities to prevent access to potentially malicious websites. Security teams should consider implementing browser hardening measures such as disabling unnecessary browser plugins and restricting JavaScript execution in untrusted environments. Additionally, users should be educated about the risks of visiting untrusted websites and downloading content from unknown sources. The vulnerability demonstrates the importance of comprehensive security testing for browser components and highlights the need for regular security updates to address memory safety issues that can lead to remote code execution. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts and maintain detailed incident response procedures for handling such security events.