Bug 1649697 (CVE-2018-19039) - CVE-2018-19039 grafana: File exfiltration
Summary: CVE-2018-19039 grafana: File exfiltration
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2018-19039
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1650387 1650388 1654560 1654561 1654562 1673093 1686220
Blocks: 1649698
TreeView+ depends on / blocked
 
Reported: 2018-11-14 09:26 UTC by Andrej Nemec
Modified: 2021-02-16 22:46 UTC (History)
37 users (show)

Fixed In Version: grafana 5.3.3, grafana 4.6.5
Doc Type: If docs needed, set a value
Doc Text:
A security issue was found that could allow any users with Editor or Admin permissions in Grafana to read any file that the Grafana process can read from the filesystem. However, in order to exploit this issue you would need to be logged in to the system as a legitimate user with Editor or Admin permissions.
Clone Of:
Environment:
Last Closed: 2019-06-10 10:42:42 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2019:0747 0 None None None 2019-04-11 13:32:54 UTC
Red Hat Product Errata RHSA-2019:0911 0 None None None 2019-04-30 15:56:43 UTC

Description Andrej Nemec 2018-11-14 09:26:43 UTC 
A security issue was found that could allow any users with Editor or Admin permissions in Grafana to read any file that the Grafana process can read from the filesystem. Note, that in order to exploit this you would need to be logged in to the system as a legitimate user with Editor or Admin permissions.

External References:

https://community.grafana.com/t/grafana-5-3-3-and-4-6-5-security-update/11961
Comment 1 Joshua Padman 2018-11-16 04:29:04 UTC 
The following is the patch from upstream:

diff --git a/pkg/services/rendering/phantomjs.go b/pkg/services/rendering/phantomjs.go
index 1bd7489c1..2be351285 100644
--- a/pkg/services/rendering/phantomjs.go
+++ b/pkg/services/rendering/phantomjs.go
@@ -42,7 +42,8 @@ func (rs *RenderingService) renderViaPhantomJS(ctx context.Context, opts Opts) (
 
        cmdArgs := []string{
                "--ignore-ssl-errors=true",
-               "--web-security=false",
+               "--web-security=true",
+               "--local-url-access=false",
                phantomDebugArg,
                scriptPath,
                fmt.Sprintf("url=%v", url),


--web-security=[true|false] enables web security and forbids cross-domain XHR (default is true). Also accepted: [yes|no].
--local-url-access allows use of ‘file:///’ URLs (default is ‘true’).
Comment 4 Martin Magr 2018-11-27 10:42:58 UTC 
Grafana was never in production in OSP.
Comment 9 errata-xmlrpc 2019-04-11 13:32:53 UTC 
This issue has been addressed in the following products:

  Red Hat Ceph Storage 2.5 for Red Hat Enterprise Linux 7

Via RHSA-2019:0747 https://access.redhat.com/errata/RHSA-2019:0747
Comment 10 errata-xmlrpc 2019-04-30 15:56:42 UTC 
This issue has been addressed in the following products:

  Red Hat Ceph Storage 3.2

Via RHSA-2019:0911 https://access.redhat.com/errata/RHSA-2019:0911
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