Information disclosure in GlusterFS



Published: 2018-09-04
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-10911
CWE-ID CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		GlusterFS
Server applications / File servers (FTP/HTTP)

Vendor Gluster Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU15736

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 - Information exposure

Exploit availability: No

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

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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