Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 26.9%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
References
- https://community.grafana.com/c/security-announcements
- https://github.com/cortexproject/cortex
- https://github.com/cortexproject/cortex/pull/4129/files
- https://lists.cncf.io/g/cortex-users/message/50
- https://community.grafana.com/c/security-announcements
- https://github.com/cortexproject/cortex
- https://github.com/cortexproject/cortex/pull/4129/files
- https://lists.cncf.io/g/cortex-users/message/50
Products affected by CVE-2021-31232
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cpe:2.3:a:linuxfoundation:cortex:-
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cpe:2.3:a:linuxfoundation:cortex:0.1.0
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cpe:2.3:a:linuxfoundation:cortex:0.2.0
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cpe:2.3:a:linuxfoundation:cortex:0.3.0
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cpe:2.3:a:linuxfoundation:cortex:0.4.0
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cpe:2.3:a:linuxfoundation:cortex:0.5.0
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cpe:2.3:a:linuxfoundation:cortex:0.6.0
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cpe:2.3:a:linuxfoundation:cortex:0.6.1
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cpe:2.3:a:linuxfoundation:cortex:0.7.0
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cpe:2.3:a:linuxfoundation:cortex:1.0.0
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cpe:2.3:a:linuxfoundation:cortex:1.0.1
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cpe:2.3:a:linuxfoundation:cortex:1.1.0
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cpe:2.3:a:linuxfoundation:cortex:1.2.0
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cpe:2.3:a:linuxfoundation:cortex:1.3.0
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cpe:2.3:a:linuxfoundation:cortex:1.4.0
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cpe:2.3:a:linuxfoundation:cortex:1.5.0
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cpe:2.3:a:linuxfoundation:cortex:1.6.0
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cpe:2.3:a:linuxfoundation:cortex:1.7.0
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cpe:2.3:a:linuxfoundation:cortex:1.7.1
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cpe:2.3:a:linuxfoundation:cortex:1.8.0