CVE-2012-3790 in LogAnalyzer
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in Adiscon LogAnalyzer before 3.4.4 and 3.5.x before 3.5.5 allows remote attackers to inject arbitrary web script or HTML via the highlight parameter in a Search action.
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Analysis
by VulDB Data Team • 12/04/2021
The vulnerability identified as CVE-2012-3790 represents a critical cross-site scripting flaw within Adiscon LogAnalyzer software versions prior to 3.4.4 and 3.5.x versions before 3.5.5. This vulnerability resides in the index.php file and specifically affects the Search functionality when processing the highlight parameter. The flaw enables remote attackers to execute malicious web scripts or HTML code within the context of a victim's browser session, potentially compromising user security and data integrity.
The technical implementation of this vulnerability stems from inadequate input validation and output sanitization within the LogAnalyzer application. When users perform search operations with the highlight parameter, the application fails to properly sanitize user-supplied input before rendering it back to the browser. This occurs because the software does not employ proper encoding or filtering mechanisms to prevent malicious payloads from being executed as legitimate content. The vulnerability specifically manifests when the application processes search queries that include specially crafted highlight parameters containing script tags or other malicious HTML constructs.
From an operational perspective, this XSS vulnerability poses significant risks to organizations utilizing Adiscon LogAnalyzer for system logging and monitoring. Attackers could exploit this weakness to steal session cookies, perform unauthorized actions on behalf of logged-in users, or redirect victims to malicious websites. The impact extends beyond simple script execution as it can enable more sophisticated attacks such as credential theft, data exfiltration, or the deployment of additional malware. Given that LogAnalyzer is commonly used for security monitoring and log analysis, compromising its integrity could provide attackers with access to sensitive system information and operational data.
The vulnerability aligns with CWE-79 which categorizes cross-site scripting flaws as weaknesses in input validation and output encoding. This classification emphasizes the fundamental security principle that all user-supplied input must be properly validated and sanitized before being processed or displayed. The attack vector follows patterns consistent with the ATT&CK framework's web application exploitation techniques, specifically targeting web application vulnerabilities to establish persistent access or exfiltrate data. Organizations using affected versions should prioritize immediate patching to remediate this vulnerability, as the window of opportunity for exploitation remains open until the software is updated to a secure version.
Mitigation strategies should include implementing proper input validation, output encoding, and content security policies to prevent the execution of unauthorized scripts. The recommended approach involves upgrading to patched versions of Adiscon LogAnalyzer, specifically versions 3.4.4 or 3.5.5 and later, which contain the necessary security fixes. Additionally, organizations should consider implementing web application firewalls, input sanitization measures, and regular security assessments to prevent similar vulnerabilities from emerging in other components of their logging infrastructure.