#VU20067 Directory listing in Undertow - CVE-2019-10184

Vulnerability identifier: #VU20067

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-10184

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Undertow
Server applications / Web servers

Vendor: Red Hat Inc.

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to incorrect handling of requests without trailing slashes in the api. A remote attacker can send a specially crafted HTTP request to the affected server and predict directory structure.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Undertow: 2.0.0.Alpha1 - 2.0.22

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External links
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10184
https://github.com/undertow-io/undertow/pull/794

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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.