Vulnerability identifier: #VU15736

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-10911

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

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

Vendor: Gluster Inc.

Description

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

The vulnerability exists in the dic_unserialize function due to improper handling of negative key length values. A remote attacker can read memory from other locations into the stored dict value.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GlusterFS: 3.4.5 - 4.0.2

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External links
http://review.gluster.org/#/c/glusterfs/+/21067/

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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.