3DSecure 2.0 3DS Method Authentication Cross Site Scripting
2024-9-12 23:0:32 Author: packetstormsecurity.com(查看原文) 阅读量:2 收藏

Product: 3DSecure 2.0
Manufacturer: Redsys
Affected Version(s): 3DSecure 2.0 3DS Method Authentication
Tested Version(s): 3DSecure 2.0 3DS Method Authentication
Vulnerability Type: Cross-Site Scripting (XSS)
Risk Level: Medium
Solution Status: Not yet fixed
Manufacturer Notification: 2024-01-17
Solution Date: N/A
Public Disclosure: 2024-09-17
CVE Reference: CVE-2024-25282

Overview:
3DSecure 2.0 is vulnerable to Cross-Site Scripting (XSS) in its 3DSMethod Authentication. This vulnerability allows remote attackers to hijack the form action and change the destination website via the params parameter, which is base64 encoded and improperly sanitized.

Vulnerability Details:
The issue arises because the params parameter in the 3DSMethod Authentication is not properly sanitized or validated before being processed. Attackers can inject arbitrary HTML elements into the DOM, modifying the website's appearance or executing malicious code in the victim's browser. Additionally, the integrity of the base64-encoded information is not checked, making it vulnerable to manipulation in a man-in-the-middle attack.

Proof of Concept (PoC):
By altering the params parameter in the request URL, an attacker can modify base64-encoded values and inject malicious code. For example:

https://[REDACTED]/[REDACTED]/rest/online/[REDACTED]/redirect?action=challenge&txn=[REDACTED]&params=[REDACTED]"

Solution:
Currently, no solution is available. Redsys has been notified of the issue, but no patch has been released as of the date of this advisory.

References:
OWASP Web Security Testing Guide: Reflected Cross-Site Scripting

Discoverer:
Reported by Rubén López Herrera

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文章来源: https://packetstormsecurity.com/files/181492/3dscure203dsma-xss.txt
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