CVE-2024-6939 in RockOAinfo

Summary

by MITRE • 07/21/2024

A vulnerability was found in Xinhu RockOA 2.6.3 and classified as problematic. Affected by this issue is the function okla of the file /webmain/public/upload/tpl_upload.html. The manipulation of the argument callback leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-271994 is the identifier assigned to this vulnerability.

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Analysis

by VulDB Data Team • 03/17/2025

The vulnerability identified as CVE-2024-6939 represents a critical cross site scripting flaw within Xinhu RockOA version 2.6.3, specifically affecting the okla function located in the /webmain/public/upload/tpl_upload.html file. This vulnerability falls under the CWE-79 category of Cross Site Scripting, which is a fundamental web application security weakness that allows attackers to inject malicious scripts into web pages viewed by other users. The flaw manifests when the callback argument is manipulated, creating an opportunity for attackers to execute arbitrary JavaScript code within the victim's browser context.

The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the file upload functionality of the RockOA system. When users interact with the tpl_upload.html component, the callback parameter is not properly sanitized or validated before being processed and rendered back to the user. This creates a direct pathway for malicious actors to inject script tags or other malicious payloads that will execute in the context of legitimate users who view the affected page. The vulnerability is particularly concerning because it can be exploited remotely without requiring any authentication or privileged access to the system.

The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious sites. Attackers could leverage this flaw to steal user sessions, modify or delete data, or even escalate their privileges within the application. The fact that this vulnerability has been publicly disclosed and is identified by VDB-271994 indicates that it is already known to malicious actors, increasing the risk of active exploitation. The remote exploitability means that attackers can target users from anywhere on the internet without needing physical access to the network or system.

Organizations utilizing Xinhu RockOA 2.6.3 should implement immediate mitigations including input validation and output encoding for all user-supplied data, particularly parameters used in dynamic content generation. The recommended approach involves sanitizing the callback parameter to prevent script injection attempts and implementing proper content security policies to restrict script execution. Additionally, organizations should consider implementing web application firewalls and monitoring for suspicious upload activities. The vulnerability aligns with ATT&CK technique T1566.001 for credential access through social engineering and T1059.007 for scripting through web shells, highlighting the potential for both data theft and system compromise. Regular security updates and patch management should be prioritized to address this vulnerability, as the disclosure status indicates active exploitation attempts in the wild.

Responsible

VulDB

Disclosure

07/21/2024

Moderation

accepted

CPE

ready

Exploit

Download

EPSS

0.00428

KEV

no

Activities

very low

Sources

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