Important: glusterfs security update

Synopsis

Important: glusterfs security update

Type/Severity

Security Advisory: Important

Topic

An update for glusterfs is now available for Native Client for Red Hat Enterprise Linux 7 for Red Hat Storage and Red Hat Gluster Storage 3.3 for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

GlusterFS is a key building block of Red Hat Gluster Storage. It is based on a stackable user-space design and can deliver exceptional performance for diverse workloads. GlusterFS aggregates various storage servers over network interconnections into one large, parallel network file system.

Security Fix(es):

• It was found that fix for CVE-2018-1088 introduced a new vulnerability in the way 'auth.allow' is implemented in glusterfs server. An unauthenticated gluster client could mount gluster storage volumes. (CVE-2018-1112)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Virtualization 4 x86_64
• Red Hat Gluster Storage Server for On-premise 3 for RHEL 7 x86_64

Fixes

• BZ - 1570891 - CVE-2018-1112 glusterfs: auth.allow allows unauthenticated clients to mount gluster volumes (CVE-2018-1088 regression)

CVEs

• CVE-2018-1112

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/articles/3422521