RHSA-2018:2837 - Security Advisory

Topic

An update for ceph-iscsi-cli is now available for Red Hat Ceph Storage 2.5 for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Critical. 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

ceph-iscsi-cli provides a CLI interface similar to the targetcli tool used to interact with the kernel LIO subsystem.

Security Fix(es):

• It was found that rbd-target-api service provided by ceph-iscsi-cli was running in debug mode. An unauthenticated attacker could use this to remotely execute arbitrary code and escalate privileges. (CVE-2018-14649)

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 Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64

Fixes

• BZ - 1632078 - CVE-2018-14649 ceph-iscsi-cli: rbd-target-api service runs in debug mode allowing for remote command execution

CVEs

• CVE-2018-14649

References

• https://access.redhat.com/security/updates/classification/#critical
• https://access.redhat.com/articles/3623521