SB2025102727 - Multiple vulnerabilities in Icinga 2

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2025-61907)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in filter expressions. A remote user can gain unauthorized access to sensitive information on the system.

2) Execution with unnecessary privileges (CVE-ID: CVE-2025-61909)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to execution with unnecessary privileges. A local administrator can send signals to processes it would otherwise not permitted to.

3) NULL pointer dereference (CVE-ID: CVE-2025-61908)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://github.com/Icinga/icinga2/security/advisories/GHSA-gg32-w9rm-vp2v
• https://github.com/Icinga/icinga2/security/advisories/GHSA-pg6g-g99v-mw46
• https://github.com/Icinga/icinga2/security/advisories/GHSA-v9jg-xqhj-f43g