Open redirect in vBulletin



Published: 2018-01-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-6200
CWE-ID CWE-601
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Vendor vBulletin

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Open redirect

EUVDB-ID: #VU10311

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-6200

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform phishing attacks.

The vulnerability exists due to open redirect in redirector.php. A remote attacker can use a specially crafted 'url' parameter and redirect users to malicious websites.

Mitigation

Update to version 4.2.5.

Vulnerable software versions

vBulletin: 2.3.8 - 4.2.4

External links

http://cxsecurity.com/issue/WLB-2018010251


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.



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