CVE-2012-1606 in TYPO3
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in the Backend component in TYPO3 4.4.0 through 4.4.13, 4.5.0 through 4.5.13, 4.6.0 through 4.6.6, 4.7, and 6.0 allow remote authenticated backend users to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 03/22/2021
The vulnerability identified as CVE-2012-1606 represents a significant security flaw within the TYPO3 content management system affecting multiple version ranges including 4.4.0 through 4.4.13, 4.5.0 through 4.5.13, 4.6.0 through 4.6.6, 4.7, and 6.0. This issue falls under the category of cross-site scripting vulnerabilities that specifically target the backend component of the TYPO3 platform, creating a dangerous attack surface for authenticated users who possess backend access privileges. The vulnerability allows remote authenticated backend users to inject arbitrary web script or HTML code, which can potentially compromise the entire administrative interface and user data within the CMS environment.
The technical nature of this vulnerability stems from inadequate input validation and output encoding mechanisms within the TYPO3 backend components. The unspecified vectors mentioned in the description suggest that the flaw exists across multiple entry points within the backend administration interface where user inputs are processed and rendered without proper sanitization. This weakness enables attackers who have already gained authenticated access to the backend to execute malicious scripts that can manipulate the administrative interface, steal session cookies, or redirect users to malicious websites. The vulnerability is particularly concerning because it leverages the trust relationship that exists between legitimate backend users and the system, allowing attackers to escalate their privileges or compromise the integrity of the entire CMS.
The operational impact of CVE-2012-1606 extends beyond simple script injection, as it provides attackers with the capability to perform advanced persistent attacks within the TYPO3 backend environment. An attacker with backend access can exploit this vulnerability to create persistent backdoors, modify content, steal sensitive administrative credentials, or even compromise the entire website infrastructure. The cross-site scripting nature of the vulnerability means that malicious scripts can be executed in the context of other users' browsers, potentially affecting multiple administrators or content editors who view compromised backend pages. This vulnerability directly aligns with CWE-79 which categorizes cross-site scripting flaws as a critical security weakness in web applications, and it maps to ATT&CK technique T1059.007 for scripting and T1566 for credential access through social engineering.
Organizations affected by this vulnerability should immediately implement several mitigation strategies to protect their TYPO3 installations. The most critical step involves applying the official security patches released by the TYPO3 project for the affected versions, which typically include enhanced input validation and output encoding mechanisms. Administrators should also implement strict access controls and regularly audit backend user permissions to minimize the risk of unauthorized access. Additionally, implementing content security policies and regular security monitoring of backend activities can help detect and prevent exploitation attempts. The vulnerability demonstrates the importance of maintaining up-to-date security practices and the critical need for organizations to establish robust patch management processes for their CMS platforms. Organizations should also consider implementing web application firewalls and regular security assessments to identify similar vulnerabilities that may exist in their web applications.