Denial of service in GlusterFS



| Updated: 2020-12-15
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-15096
CWE-ID CWE-476
Exploitation vector Local
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) NULL pointer dereference

EUVDB-ID: #VU48978

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-15096

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in GlusterFS in send_brick_req() function in glusterfsd/src/gf_attach.c. A local user can perform a denial of serivce (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

GlusterFS: 3.3.0 - 3.12.5

CPE2.3 External links

http://bugzilla.redhat.com/show_bug.cgi?id=1504255


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.

The attacker would have to login to the system and perform certain actions 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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