#VU12209 HTTP response splitting in Wildfly - CVE-2018-1067

Vulnerability identifier: #VU12209

Vulnerability risk: Low

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1067

CWE-ID: CWE-113

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Wildfly
Server applications / Frameworks for developing and running applications

Vendor: Red Hat Inc.

Description
The vulnerability allows a remote attacker to obtain potentially sensitive information and write arbitrary files on the target system.

The weakness exists in the Undertow web server due to insufficient sanitization and validation of user input before the input is used as part of an HTTP header value. A remote attacker can gain access to potentially sensitive information and write arbitrary files.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Wildfly: 10.0.0

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External links
https://access.redhat.com/security/cve/cve-2018-1067

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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.