CVE Vulnerability

CVE-2021-36157

An issue was discovered in Grafana Cortex through 1.9.0. 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 Cortex will attempt to parse a rules file at that location and include some of the contents in the error message. (Other Cortex API requests can also be sent a malicious OrgID header, e.g., tricking the ingester into writing metrics to a different location, but the effect is nuisance rather than information disclosure.)

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/cortexproject/cortex/pull/4375 Patch Third Party Advisory
https://grafana.com/docs/grafana/latest/release-notes/ Release Notes Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:linuxfoundation:cortex:*:*:*:*:*:*:*:*
Information

Published : 2021-08-03 03:15

Updated : 2021-08-11 05:23

NVD link : CVE-2021-36157

Mitre link : CVE-2021-36157

Products Affected
No products.
CWE
CWE-22