Vulnerability identifier: #VU194

Vulnerability risk: High

CVSSv3.1: 7.4 [AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-5385

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TYPO3
Web applications / CMS
Oracle Linux
Operating systems & Components / Operating system

Vendor: TYPO3
Oracle

Description
The vulnerability allows a remote attacker to redirect an application's outbound HTTP traffic.

The vulnerability exists in TYPO3 CMS. A remote attacker can redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request.

Successful exploitation of this vulnerability may result in XSS attack and data injection.

Mitigation
Install the latest version 8.2.1.

Vulnerable software versions

TYPO3: 8.0.0 - 8.2.0

Oracle Linux: 7

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External links
http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-019/
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

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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.