CVE-2022-40323 in Help Desk
Summary
by MITRE • 09/12/2022
SysAid Help Desk before 22.1.65 allows XSS in the Password Services module, aka FR# 67241.
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Analysis
by VulDB Data Team • 09/12/2022
The vulnerability identified as CVE-2022-40323 affects SysAid Help Desk versions prior to 22.1.65 and represents a cross-site scripting flaw within the Password Services module. This issue enables attackers to inject malicious scripts into web pages viewed by other users, creating a persistent security risk that can compromise user sessions and access credentials. The vulnerability specifically manifests in the password service functionality where user input is not properly sanitized or validated before being rendered back to users. This weakness allows malicious actors to craft specially crafted payloads that execute in the context of authenticated users' browsers, potentially leading to unauthorized access to sensitive data and system resources.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding mechanisms within the Password Services module. When users interact with password-related features such as password reset forms, password change interfaces, or any input fields within the module, the application fails to properly sanitize user-supplied data before rendering it back to the browser. This lack of proper sanitization creates an environment where attackers can inject malicious JavaScript code that executes when other users view the affected pages. The vulnerability aligns with CWE-79 which categorizes cross-site scripting flaws as weaknesses in input validation and output encoding. From an attack perspective, this flaw represents a critical security gap that can be exploited through various vectors including phishing campaigns, compromised user accounts, or direct injection attacks against the help desk application.
The operational impact of CVE-2022-40323 extends beyond simple script execution, as it can enable attackers to escalate privileges, steal session cookies, perform actions on behalf of users, and potentially gain access to sensitive information stored within the help desk system. Attackers can leverage this vulnerability to capture user credentials, manipulate password reset processes, and potentially escalate their access to other system components that may be integrated with the help desk application. The attack surface is particularly concerning given that help desk systems typically contain sensitive user information, system access credentials, and privileged account details that make them attractive targets for cybercriminals. This vulnerability also aligns with several tactics described in the MITRE ATT&CK framework under the T1566 technique for phishing and T1078 for valid accounts, as attackers can use the XSS to establish persistent access through stolen session tokens and credentials.
Mitigation strategies for CVE-2022-40323 should prioritize immediate application updates to version 22.1.65 or later, which includes proper input validation and output encoding fixes for the Password Services module. Organizations should implement comprehensive input sanitization measures that filter and encode all user-supplied data before processing or rendering it within web pages. Additionally, security headers including Content Security Policy should be implemented to prevent unauthorized script execution, and regular security assessments should be conducted to identify similar vulnerabilities in other application modules. Network monitoring should be enhanced to detect suspicious activities related to password service access, and user education programs should be established to raise awareness about potential phishing attempts targeting help desk systems. The remediation process should also include thorough testing of the patched version to ensure that the XSS vulnerability has been completely eliminated while maintaining all legitimate functionality of the password services module.