Vulnerability identifier: #VU12435

Vulnerability risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-1112

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
GlusterFS
Server applications / File servers (FTP/HTTP)

Vendor: Gluster Inc.

Description
The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to improper authentication when using 'auth.allow' option. A remote attacker can mount gluster storage volumes.

Mitigation
Update to versions 3.10.12 or 4.0.2.

Vulnerable software versions

GlusterFS: 3.10.0 - 4.0.1

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External links
http://review.gluster.org/#/c/19899/1..2

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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. However, proof of concept for this vulnerability is available.