NULL pointer dereference in GlusterFS - CVE-2017-15096

Vulnerability identifier: #VU48978

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-15096

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

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.

GlusterFS
redhat-storage-server (Red Hat package)
glusterfs (Red Hat package)
redhat-release-server (Red Hat package)
redhat-storage-logos (Red Hat package)
glusterfs
Red Hat Enterprise Linux Server
Fedora

Install update from vendor's website.

GlusterFS - update to 3.10.0
redhat-storage-server (Red Hat package) - update to 3.5.0.0-1.el7rhgs
glusterfs (Red Hat package) - addressed in versions 6.0-21.el7, 6.0-21.el7rhgs
redhat-release-server (Red Hat package) - update to 7.7-16.el7rhgs
redhat-storage-logos (Red Hat package) - update to 70.7.0-3.el7rhgs
glusterfs - addressed in versions 3.10.6-4.fc25, 3.10.6-4.fc26, 3.12.2-2.fc27

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

• Denial of service in GlusterFS
• Red Hat Enterprise Linux update for glusterfs
• Fedora 27 update for glusterfs
• Fedora 26 update for glusterfs
• Fedora 25 update for glusterfs