SSRF in phpBB



Published: 2017-08-05
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-1000419
CWE-ID CWE-918
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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Web applications / Forum & blogging software

Vendor phpBB Group

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU9833

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-1000419

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to an error in the Remote Avatar function. A remote attacker can perform server-side forgery attacks and gain unauthorized access to internal application resources and private network.

Mitigation

Update to version 3.2.1.

Vulnerable software versions

phpBB: 3.2.0

External links

http://www.phpbb.com/community/viewtopic.php?f=14&p=14782136
http://www.sec-consult.com/en/blog/advisories/phpbb-server-side-request-forgery-vulnerability/index...


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, proof of concept for this vulnerability is available.



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