#VU194 Environment variable injection in TYPO3 in TYPO3 and Oracle Linux - CVE-2016-5385

Vulnerability identifier: #VU194

Vulnerability risk: High

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Amber]

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
https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-019/
https://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.