Описание
Cortex's Alertmanager can expose local files content via specially crafted config
Impact
A local file inclusion vulnerability exists in Cortex versions v1.13.0, v1.13.1 and v1.14.0, where a malicious actor could remotely read local files as a result of parsing maliciously crafted Alertmanager configurations when submitted to the Alertmanager Set Configuration API. Only users of the Cortex Alertmanager service using -experimental.alertmanager.enable-api or enable_api: true are affected.
Specific Go Packages Affected
github.com/cortexproject/cortex/pkg/alertmanager
Patches
Affected Cortex users are advised to upgrade to versions 1.13.2 or 1.14.1.
Workarounds
Patching is ultimately advised. Using out-of-bound validation, Cortex administrators may reject Alertmanager configurations containing the api_key_file setting in the opsgenie_configs section and opsgenie_api_key_file in the global section before sending to the Set Alertmanager Configuration API as a workaround.
References
For more information
If you have any questions or comments about this advisory:
- Open an issue in cortex
- Email us at cortex-team@googlegroups.com.
Ссылки
- https://github.com/cortexproject/cortex/security/advisories/GHSA-cq2g-pw6q-hf7j
- https://nvd.nist.gov/vuln/detail/CVE-2022-23536
- https://github.com/cortexproject/cortex/commit/03e023d8b012887b31cc268d0d011b01e1e65506
- https://cortexmetrics.io/docs/api/#set-alertmanager-configuration
- https://github.com/cortexproject/cortex/releases/tag/v1.13.2
- https://github.com/cortexproject/cortex/releases/tag/v1.14.1
- https://pkg.go.dev/vuln/GO-2022-1175
Пакеты
github.com/cortexproject/cortex
= 1.14.0
1.14.1
github.com/cortexproject/cortex
>= 1.13.0, < 1.13.2
1.13.2
Связанные уязвимости
Cortex provides multi-tenant, long term storage for Prometheus. A local file inclusion vulnerability exists in Cortex versions 1.13.0, 1.13.1 and 1.14.0, where a malicious actor could remotely read local files as a result of parsing maliciously crafted Alertmanager configurations when submitted to the Alertmanager Set Configuration API. Only users of the Alertmanager service where `-experimental.alertmanager.enable-api` or `enable_api: true` is configured are affected. Affected Cortex users are advised to upgrade to patched versions 1.13.2 or 1.14.1. However as a workaround, Cortex administrators may reject Alertmanager configurations containing the `api_key_file` setting in the `opsgenie_configs` section before sending to the Set Alertmanager Configuration API.
Cortex provides multi-tenant, long term storage for Prometheus. A local file inclusion vulnerability exists in Cortex versions 1.13.0, 1.13.1 and 1.14.0, where a malicious actor could remotely read local files as a result of parsing maliciously crafted Alertmanager configurations when submitted to the Alertmanager Set Configuration API. Only users of the Alertmanager service where `-experimental.alertmanager.enable-api` or `enable_api: true` is configured are affected. Affected Cortex users are advised to upgrade to patched versions 1.13.2 or 1.14.1. However as a workaround, Cortex administrators may reject Alertmanager configurations containing the `api_key_file` setting in the `opsgenie_configs` section before sending to the Set Alertmanager Configuration API.