SB2019111508 - Multiple vulnerabilities in FUDForum
Published: November 15, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Stored cross-site scripting (CVE-ID: CVE-2019-18873)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists in the "admsession.php" and "admuser.php" due to insufficient sanitization of user-supplied data passed via the User-Agent HTTP header. A remote attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Stored cross-site scripting (CVE-ID: CVE-2019-18839)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "nlogin" parameter. A remote attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- https://github.com/fuzzlove/FUDforum-XSS-RCE/blob/master/adminpanel.md
- https://sourceforge.net/p/fudforum/code/6321/
- https://www.youtube.com/watch?v=0gsJQ82TXw4&feature=youtu.be
- https://github.com/fuzzlove/FUDforum-XSS-RCE/blob/master/forumxss.md
- https://packetstormsecurity.com/files/155261/FUDForum-3.0.9-Code-Execution-Cross-Site-Scripting.html
- https://www.youtube.com/watch?v=fR8hVK1paks&feature=youtu.be