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Vulnerability Details : CVE-2021-32743

Icinga 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.
Publish Date : 2021-07-15 Last Update Date : 2021-12-06
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- CVSS Scores & Vulnerability Types

CVSS Score
6.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication ???
Gained Access None
Vulnerability Type(s) Obtain Information
CWE ID 202

- Products Affected By CVE-2021-32743

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 Application Icinga Icinga * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Icinga Icinga 1

- References For CVE-2021-32743

https://lists.debian.org/debian-lts-announce/2021/11/msg00010.html
MLIST [debian-lts-announce] 20211110 [SECURITY] [DLA 2816-1] icinga2 security update
https://github.com/Icinga/icinga2/security/advisories/GHSA-wrpw-pmr8-qgj7 CONFIRM
https://icinga.com/blog/2021/07/15/releasing-icinga-2-12-5-and-2-11-10/

- Metasploit Modules Related To CVE-2021-32743

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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