CVE-2021-32743

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Summary

CVECVE-2021-32743
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-07-15 16:15:00 UTC
Updated2021-12-06 14:10:00 UTC
DescriptionIcinga is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. In versions prior to 2.11.10 and from version 2.12.0 through version 2.12.4, some of the Icinga 2 features that require credentials for external services expose those credentials through the API to authenticated API users with read permissions for the corresponding object types. IdoMysqlConnection and IdoPgsqlConnection (every released version) exposes the password of the user used to connect to the database. IcingaDB (added in 2.12.0) exposes the password used to connect to the Redis server. ElasticsearchWriter (added in 2.8.0)exposes the password used to connect to the Elasticsearch server. An attacker who obtains these credentials can impersonate Icinga to these services and add, modify and delete information there. If credentials with more permissions are in use, this increases the impact accordingly. Starting with the 2.11.10 and 2.12.5 releases, these passwords are no longer exposed via the API. As a workaround, API user permissions can be restricted to not allow querying of any affected objects, either by explicitly listing only the required object types for object query permissions, or by applying a filter rule.

Risk And Classification

Problem Types: CWE-202

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 9.0 All All All
Application Icinga Icinga All All All All

References

ReferenceSourceLinkTags
[SECURITY] [DLA 2816-1] icinga2 security update MLIST lists.debian.org
Passwords used to access external services inadvertently exposed through API · Advisory · Icinga/icinga2 · GitHub CONFIRM github.com
Icinga 2.12.5 + 2.11.10: Security Releases MISC icinga.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 178892 Debian Security Update for icinga2 (DLA 2816-1)
  • 183214 Debian Security Update for icinga2 (CVE-2021-32743)
  • 750894 OpenSUSE Security Update for icinga2 (openSUSE-SU-2021:1089-1)
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