CVE Vulnerability

CVE-2021-31232

The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -experimental.alertmanager.enable-api is used. The HTTP basic auth password_file can be used as an attack vector to send any file content via a webhook. The alertmanager templates can be used as an attack vector to send any file content because the alertmanager can load any text file specified in the templates list.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://community.grafana.com/c/security-announcements Third Party Advisory
https://github.com/cortexproject/cortex Third Party Advisory
https://github.com/cortexproject/cortex/pull/4129/files Patch Third Party Advisory
https://lists.cncf.io/g/cortex-users/message/50 Release Notes Vendor Advisory
Configurations

Configuration 1

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

Published : 2021-04-30 01:15

Updated : 2021-05-11 05:16

NVD link : CVE-2021-31232

Mitre link : CVE-2021-31232

Products Affected
No products.
CWE
CWE-20