CVE-2021-36156

An issue was discovered in Grafana Loki through 2.2.1. The header value X-Scope-OrgID is used to construct file paths for rules files, and if crafted to conduct directory traversal such as ae ../../sensitive/path/in/deployment pathname, then Loki will attempt to parse a rules file at that location and include some of the contents in the error message.
References
Link Resource
https://github.com/grafana/loki/pull/4020#issue-694377133 Issue Tracking Third Party Advisory
https://github.com/grafana/loki/releases/tag/v2.3.0 Patch Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:grafana:loki:*:*:*:*:*:*:*:*

History

14 Sep 2021, 18:46

Type Values Removed Values Added
References (MISC) https://github.com/grafana/loki/releases/tag/v2.3.0 - (MISC) https://github.com/grafana/loki/releases/tag/v2.3.0 - Patch, Third Party Advisory

07 Sep 2021, 20:15

Type Values Removed Values Added
References
  • {'url': 'https://grafana.com/docs/grafana/latest/release-notes/', 'name': 'https://grafana.com/docs/grafana/latest/release-notes/', 'tags': ['Release Notes', 'Third Party Advisory'], 'refsource': 'MISC'}
  • (MISC) https://github.com/grafana/loki/releases/tag/v2.3.0 -

12 Aug 2021, 14:30

Type Values Removed Values Added
References (MISC) https://github.com/grafana/loki/pull/4020#issue-694377133 - (MISC) https://github.com/grafana/loki/pull/4020#issue-694377133 - Issue Tracking, Third Party Advisory
References (MISC) https://grafana.com/docs/grafana/latest/release-notes/ - (MISC) https://grafana.com/docs/grafana/latest/release-notes/ - Release Notes, Third Party Advisory
CWE CWE-22
CVSS v2 : unknown
v3 : unknown
v2 : 5.0
v3 : 5.3
CPE cpe:2.3:a:grafana:loki:*:*:*:*:*:*:*:*

03 Aug 2021, 15:33

Type Values Removed Values Added
New CVE

Information

Published : 2021-08-03 15:15

Updated : 2021-09-14 18:46


NVD link : CVE-2021-36156

Mitre link : CVE-2021-36156


JSON object : View

Products Affected

grafana

  • loki
CWE
CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')