CVE-2007-4105 in Soba Search Bar
Summary
by MITRE
A certain ActiveX control in BaiduBar.dll in Baidu Soba Search Bar 5.4 allows remote attackers to execute arbitrary code via a request containing "a link to download and a file to execute," possibly involving remote file inclusion.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 07/21/2021
The vulnerability identified as CVE-2007-4105 represents a critical security flaw within the Baidu Soba Search Bar 5.4 software suite, specifically targeting the BaiduBar.dll ActiveX control component. This vulnerability stems from improper input validation mechanisms that fail to adequately sanitize user-supplied data, creating an exploitable condition that enables remote code execution. The flaw exists within the ActiveX control's handling of web requests, where it processes links and file execution directives without sufficient security checks, allowing malicious actors to craft specially crafted requests that can trigger unintended system behavior.
The technical implementation of this vulnerability involves the ActiveX control's failure to properly validate or sanitize input parameters when processing remote requests. According to CWE-20, this vulnerability falls under the category of "Improper Input Validation," where the software does not adequately check or sanitize inputs received from untrusted sources. The control's design appears to lack proper boundary checking and input sanitization routines that would normally prevent malicious data from being interpreted as executable commands. When a user interacts with a maliciously crafted web page or link, the ActiveX control processes the request and inadvertently executes arbitrary code on the target system, potentially leading to complete system compromise.
The operational impact of this vulnerability extends beyond simple code execution, as it creates a persistent threat vector that can be exploited across multiple attack surfaces. Attackers can leverage this flaw to download and execute additional malware payloads, establish persistent backdoors, or escalate privileges within the affected system. The remote nature of the attack means that exploitation can occur without requiring physical access to the target machine, making it particularly dangerous in enterprise environments where users may browse untrusted websites or click on malicious links. This vulnerability directly maps to ATT&CK technique T1190, which describes the use of malicious links to execute code, and T1059, which covers the execution of commands through various interfaces.
Mitigation strategies for CVE-2007-4105 should focus on immediate remediation through software updates and patches provided by Baidu, as well as network-level protections to prevent access to known malicious domains. Organizations should implement strict ActiveX control policies that limit or disable potentially dangerous controls, particularly those that allow remote file execution capabilities. The implementation of web application firewalls and content filtering solutions can help detect and block malicious requests before they reach vulnerable systems. Additionally, user education and awareness programs should emphasize the dangers of clicking on suspicious links or visiting untrusted websites, as social engineering remains a common attack vector for exploiting such vulnerabilities. System administrators should also consider implementing sandboxing techniques for web browsing activities and regularly monitoring for unauthorized ActiveX control installations to prevent exploitation of similar vulnerabilities in the future.