CVE-2018-1088 Privilege escalation in glusterfs
A malicious gluster client can escalate privileges by mounting shared storage and scheduling a malicious cronjob via symlink in the snapshot scheduler.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-1088?
CVE-2018-1088 is a high-severity vulnerability in Debian Debian Linux, published on 18 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-266
Which versions are affected by CVE-2018-1088?
It affects 6 products.
Linux distribution packages (40)
glusterfs Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
glusterfs-api Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
glusterfs-api-devel Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
glusterfs-cli Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
glusterfs-client-xlators Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
glusterfs-debuginfo Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
glusterfs-devel Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
glusterfs-fuse Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
glusterfs-libs Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
glusterfs-rdma Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
python-gluster Red Hat:enterprise_linux:7::hypervisor | All versions | 0:3.8.4-54.6.el7 |
redhat-release-virtualization-host Red Hat:enterprise_linux:7::hypervisor | All versions | 0:4.1-11.0.el7 |
redhat-virtualization-host Red Hat:enterprise_linux:7::hypervisor | All versions | 0:4.1-20180426.0.el7_5 |
redhat-virtualization-host-image-update Red Hat:enterprise_linux:7::hypervisor | All versions | 0:4.1-20180426.0.el7_5 |
redhat-virtualization-host-image-update-placeholder Red Hat:enterprise_linux:7::hypervisor | All versions | 0:4.1-11.0.el7 |
glusterfs Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-api Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-api-devel Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-cli Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-client-xlators Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-debuginfo Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-devel Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-events Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-fuse Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-ganesha Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-geo-replication Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-libs Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-rdma Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs-server Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
python-gluster Red Hat:storage:3.3:server:el6 | All versions | 0:3.8.4-54.7.el6rhs |
glusterfs Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
glusterfs-api Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
glusterfs-api-devel Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
glusterfs-cli Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
glusterfs-client-xlators Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
glusterfs-debuginfo Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
glusterfs-devel Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
glusterfs-events Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
glusterfs-fuse Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
glusterfs-ganesha Red Hat:storage:3.3:server:el7 | All versions | 0:3.8.4-54.6.el7rhgs |
Products include Debian Debian Linux, Opensuse Leap, Redhat Enterprise Linux Server, Redhat Gluster Storage, Redhat Virtualization, Redhat Virtualization Host.
How do I fix CVE-2018-1088?
Apply the vendor's patch.
Is CVE-2018-1088 being exploited?
There is no known exploitation of CVE-2018-1088 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2018-1088, GHSA-rf3g-r74x-84j6, RHSA-2018:1136, RHSA-2018:1137, RHSA-2018:1275, UBUNTU-CVE-2018-1088.