CVE-2010-3693 in Groupware
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Horde Dynamic IMP (DIMP) before 1.1.5, and Horde Groupware Webmail Edition before 1.2.7, allows remote attackers to inject arbitrary web script or HTML via vectors related to displaying mailbox names.
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Analysis
by VulDB Data Team • 10/21/2021
The CVE-2010-3693 vulnerability represents a critical cross-site scripting flaw affecting Horde Dynamic IMP (DIMP) and Horde Groupware Webmail Edition applications. This vulnerability resides in the improper handling of mailbox names during display operations, creating an avenue for remote attackers to execute malicious scripts within the context of affected web applications. The flaw specifically impacts versions prior to 1.1.5 for DIMP and 1.2.7 for Horde Groupware Webmail Edition, indicating a widespread issue affecting multiple components of the Horde email ecosystem.
The technical implementation of this vulnerability stems from insufficient input validation and output sanitization mechanisms within the mailbox name rendering process. When users navigate through email interfaces and encounter mailbox names containing specially crafted malicious content, the application fails to properly escape or encode these inputs before presenting them to end users. This processing gap allows attackers to inject arbitrary HTML or JavaScript code that executes within the victim's browser session. The vulnerability is classified as a classic reflected XSS attack vector where malicious payloads are embedded within mailbox name parameters and executed when the compromised interface renders these names.
The operational impact of CVE-2010-3693 extends beyond simple script execution, as it enables attackers to perform various malicious activities within the targeted user sessions. Attackers can leverage this vulnerability to steal session cookies, redirect users to phishing sites, deface webmail interfaces, or harvest sensitive email data from authenticated sessions. The attack requires no special privileges or authentication, making it particularly dangerous as it can be exploited by anyone who can access the vulnerable webmail application. The vulnerability directly maps to CWE-79, which describes "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", and aligns with ATT&CK technique T1059.007 for script execution through web interfaces.
Organizations affected by this vulnerability should prioritize immediate remediation through patching to versions 1.1.5 and 1.2.7 respectively, which contain the necessary input sanitization fixes. Additional mitigations include implementing robust content security policies, deploying web application firewalls, and conducting regular security assessments of webmail interfaces. The vulnerability demonstrates the critical importance of input validation in web applications and serves as a reminder of the persistent threat landscape surrounding email web interfaces, which remain common attack vectors due to their high user interaction rates and privileged access to sensitive data.