CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

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

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

Published : 2021-08-03 03:15

Updated : 2021-09-14 06:46

NVD link : CVE-2021-36156

Mitre link : CVE-2021-36156

Products Affected
No products.
CWE
CWE-22