Security bypass in vBulletin



| Updated: 2017-01-16
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2013-6129
CWE-ID CWE-264
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
vBulletin
Web applications / Forum & blogging software

Vendor vBulletin

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Security bypass

EUVDB-ID: #VU4576

Risk: Critical

CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2013-6129

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to an error in the upgrade.php script. By using the customerid, htmldata[password], htmldata[confirmpassword], and htmldata[email] parameters, a remote attacker can create administrative accounts.

Successful exploitation of the vulnerability results in security bypass on the vulnerable system.

Note: the vulnerability was being actively exploited.

Mitigation

Install update from vendor's website.

Vulnerable software versions

vBulletin: 4.1 - 5.0

CPE2.3 External links

http://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/3991423-vbul...


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.



###SIDEBAR###