lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Date: Mon, 07 Oct 2019 21:47:19 +0200
From: Egidio Romano <>
Subject: [FD] [KIS-2019-02] vBulletin <= 5.5.4 (updateAvatar) Remote Code
 Execution Vulnerability

vBulletin <= 5.5.4 (updateAvatar) Remote Code Execution Vulnerability

[-] Software Link:

[-] Affected Versions:

Version 5.5.4 and prior versions.

[-] Vulnerability Description:

User input passed through the "data[extension]" and "data[filedata]" 
to the "ajax/api/user/updateAvatar" endpoint is not properly validated 
being used to update users' avatars. This can be exploited to inject and 
arbitrary PHP code. Successful exploitation of this vulnerability 
the "Save Avatars as Files" option to be enabled (disabled by default).

[-] Proof of Concept:

[-] Solution:

Apply the vendor Security Patch Level 2 or upgrade to version 5.5.5 or 

[-] Disclosure Timeline:

[30/09/2019] - Vendor notified
[03/10/2019] - Patch released:
[04/10/2019] - CVE number assigned
[07/10/2019] - Public disclosure

[-] CVE Reference:

The Common Vulnerabilities and Exposures project (
has assigned the name CVE-2019-17132 to this vulnerability.

[-] Credits:

Vulnerability discovered by Egidio Romano.

[-] Original Advisory:

Sent through the Full Disclosure mailing list
Web Archives & RSS:

Powered by blists - more mailing lists