Privilege escalation in Red Hat, Inc. Glusterfs

CVE-2018-1088

A privilege escalation flaw was found in gluster 3.x snapshot scheduler. Any gluster client allowed to mount gluster volumes could also mount shared gluster storage volume and escalate privileges by scheduling malicious cronjob via symlink.

EPSS: 0.054 (91.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1088?
CVE-2018-1088 is a high-severity vulnerability in Red Hat, Inc. Glusterfs, classified under Incorrect Privilege Assignment. CVSS score: 8.1/10. Published 2018-04-18.
How severe is CVE-2018-1088?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2018-1088 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.