CVE-2021-31232

Published on: 04/30/2021 12:00:00 AM UTC

Last Modified on: 04/30/2021 02:15:00 PM UTC

The following vulnerability was found:

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.

CVE References

Description Tags Link
Fix for CVE-2021-31232: Alertmanager can expose local files content via specially crafted config by pracucci · Pull Request #4129 · cortexproject/cortex · GitHub github.com
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URL Logo MISC github.com/cortexproject/cortex/pull/4129/files
Latest Security Announcements topics - Grafana Labs Community Forums community.grafana.com
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URL Logo MISC community.grafana.com/c/security-announcements
403 Forbidden lists.cncf.io
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Inactive LinkNot Archived
URL Logo MISC lists.cncf.io/g/cortex-users/message/50
GitHub - cortexproject/cortex: A horizontally scalable, highly available, multi-tenant, long term Prometheus. github.com
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URL Logo MISC github.com/cortexproject/cortex

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-31232 : The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -exper… twitter.com/i/web/status/1… 2021-04-30 13:08:05
Reddit Logo Icon /r/netcve CVE-2021-31232 2021-04-30 13:41:29
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