CVE-2018-14649 Information

Description

It was found that ceph-isci-cli package as shipped by Red Hat Ceph Storage 2 and 3 is using python-werkzeug in debug shell mode. This is done by setting debug=True in file /usr/bin/rbd-target-api provided by ceph-isci-cli package. This allows unauthenticated attackers to access this debug shell and escalate privileges. Once an attacker has successfully connected to this debug shell they will be able to execute arbitrary commands remotely. These commands will run with the same privileges as of user executing the application which is using python-werkzeug with debug shell mode enabled. In - Red Hat Ceph Storage 2 and 3 ceph-isci-cli package runs python-werkzeug library with root level permissions.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://www.securityfocus.com/bid/105434 https://access.redhat.com/articles/3623521 https://access.redhat.com/errata/RHSA-2018:2837 https://access.redhat.com/errata/RHSA-2018:2838 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14649 https://github.com/ceph/ceph-iscsi-cli/issues/120 https://github.com/ceph/ceph-iscsi-cli/pull/121/commits/c3812075e30c76a800a961e7291087d357403f6b

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8