CVE-2022-0539 in beanstalk_console
Summary
by MITRE • 02/09/2022
Cross-site Scripting (XSS) - Stored in Packagist ptrofimov/beanstalk_console prior to 1.7.14.
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Analysis
by VulDB Data Team • 02/13/2022
The vulnerability CVE-2022-0539 represents a stored cross-site scripting flaw in the Packagist package ptrofimov/beanstalk_console prior to version 1.7.14. This issue affects a widely used PHP-based console interface for managing beanstalkd work queues, which is commonly deployed in web application environments. The vulnerability resides in how the application processes and renders user-supplied input without proper sanitization, creating a persistent security risk that can be exploited by attackers to inject malicious scripts into the application's response.
The technical implementation of this stored XSS vulnerability occurs when user input is accepted through various parameters within the beanstalk_console interface and subsequently stored in the application's data structures or displayed in subsequent pages without adequate output encoding or validation. This allows an attacker to inject malicious JavaScript code that persists in the application's storage and executes whenever other users view the affected content. The vulnerability maps to CWE-79 which specifically addresses cross-site scripting flaws, and aligns with ATT&CK technique T1531 which targets the injection of malicious code into web applications. The flaw typically manifests when attackers manipulate parameters such as job data, tube names, or other user-controllable inputs that are then rendered in the console interface.
The operational impact of this vulnerability is significant as it provides attackers with a persistent means of executing malicious code against users who interact with the affected console interface. An attacker could potentially steal session cookies, perform actions on behalf of authenticated users, redirect victims to malicious sites, or exfiltrate sensitive data from the application environment. The stored nature of the vulnerability means that once exploited, the malicious payload remains active until the affected version is patched, potentially affecting all users who access the console. This creates a particularly dangerous scenario in enterprise environments where the beanstalk_console is used for monitoring critical queue processing operations, as it could enable attackers to gain unauthorized access to system monitoring data or potentially disrupt queue management operations.
Mitigation strategies for CVE-2022-0539 should prioritize immediate patching of the ptrofimov/beanstalk_console package to version 1.7.14 or later, which contains the necessary input sanitization and output encoding fixes. Organizations should also implement additional defensive measures including input validation at multiple layers, output encoding for all user-controllable data, and regular security scanning of dependencies. Network-level protections such as web application firewalls can provide additional defense-in-depth, while security monitoring should be enhanced to detect suspicious input patterns and unusual user behavior within the console environment. The vulnerability highlights the critical importance of maintaining up-to-date dependencies and implementing comprehensive input validation practices as recommended by OWASP Top Ten and NIST cybersecurity guidelines for preventing XSS attacks in web applications.