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Bug 1593308 - (CVE-2018-10861) CVE-2018-10861 ceph: ceph-mon does not perform authorization on OSD pool ops
CVE-2018-10861 ceph: ceph-mon does not perform authorization on OSD pool ops
Status: CLOSED ERRATA
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
: ---
: ---
Assigned To: Red Hat Product Security
impact=moderate,public=20180709:1200,...
: Security
Depends On: 1593593 1593594 1599403 1599407
Blocks: 1593097
  Show dependency tree / graph
 
Reported: 2018-06-20 10:08 EDT by Siddharth Sharma
Modified: 2018-07-30 01:15 EDT (History)
15 users (show)

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Fixed In Version:
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Doc Text:
A flaw was found in the way ceph mon handles user requests. Any authenticated ceph user having read access to ceph can delete and corrupt snapshot images
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Clone Of:
Environment:
Last Closed: 2018-07-30 01:15:56 EDT
Type: ---
Regression: ---
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Documentation: ---
CRM:
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2177 None None None 2018-07-11 14:11 EDT
Red Hat Product Errata RHSA-2018:2179 None None None 2018-07-11 14:21 EDT
Red Hat Product Errata RHSA-2018:2261 None None None 2018-07-26 14:06 EDT
Red Hat Product Errata RHSA-2018:2274 None None None 2018-07-26 11:36 EDT

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Description Siddharth Sharma 2018-06-20 10:08:08 EDT 
A flaw was found in the way ceph mon handles user requests. Any authenticated ceph user having read access to ceph can delete, and corrupt snapshot images. 

This would require user to have read access and for that user must have key for authentication. It would only affect snapshots and images. So attacker with read access will only be able to corrupt data of snapshot images and rest of the ceph cluster should work as it is. Affect on integrity would be low and availability part can be controlled by mitigation using 'mon_allow_pool_delete = false' in ceph.conf to disable deletion of pools
Comment 1 Siddharth Sharma 2018-06-20 10:08:11 EDT 
Mitigation:

Use  mon_allow_pool_delete = false in ceph.conf to disable deletion of pools


~]$ for p in `rados lspools`
do
   ceph osd pool set $p nodelete true
done

caveat: This mitigation does not protect against  attacker from corrupting snapshot images
Comment 7 Siddharth Sharma 2018-07-09 13:08:38 EDT 
Created ceph tracking bugs for this issue:

Affects: fedora-all [bug 1599407]
Comment 8 errata-xmlrpc 2018-07-11 14:10:54 EDT 
This issue has been addressed in the following products:

  Red Hat Ceph Storage 3.0 for Ubuntu 16.04

Via RHSA-2018:2177 https://access.redhat.com/errata/RHSA-2018:2177
Comment 9 errata-xmlrpc 2018-07-11 14:21:25 EDT 
This issue has been addressed in the following products:

  Red Hat Ceph Storage 3 for Red Hat Enterprise Linux 7

Via RHSA-2018:2179 https://access.redhat.com/errata/RHSA-2018:2179
Comment 12 errata-xmlrpc 2018-07-26 11:36:03 EDT 
This issue has been addressed in the following products:

  Red Hat Ceph Storage 2 for Ubuntu 16.04

Via RHSA-2018:2274 https://access.redhat.com/errata/RHSA-2018:2274
Comment 13 errata-xmlrpc 2018-07-26 14:06:28 EDT 
This issue has been addressed in the following products:

  Red Hat Ceph Storage 2 for Red Hat Enterprise Linux 7

Via RHSA-2018:2261 https://access.redhat.com/errata/RHSA-2018:2261
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