Vulnerability identifier: #VU39350

Vulnerability risk: High

CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-9470

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Revive Adserver
Web applications / Other software

Vendor: OpenX Source

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

Revive Adserver before 3.2.5 and 4.0.0 suffers from Reflected File Download. `www/delivery/asyncspc.php` was vulnerable to the fairly new Reflected File Download (RFD) web attack vector that enables attackers to gain complete control over a victim's machine by virtually downloading a file from a trusted domain.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Revive Adserver: 4.0.0

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External links
http://github.com/revive-adserver/revive-adserver/commit/69aacbd2
http://hackerone.com/reports/148745
http://www.revive-adserver.com/security/revive-sa-2016-002/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.