SB2025102727 - Multiple vulnerabilities in Icinga 2

Description

This security bulletin contains information about 3 vulnerabilities.

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

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

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)

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H/E:U/U:Clear

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)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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