Improper Following of a Certificate's Chain of Trust Affecting icinga2 package, versions <2.14.6-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-ICINGA2-10254385
- published28 May 2025
- disclosed27 May 2025
Introduced: 27 May 2025
NewCVE-2025-48057 (opens in a new tab)How to fix?
Upgrade Debian:unstable icinga2 to version 2.14.6-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream icinga2 package and not the icinga2 package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
Icinga 2 is a monitoring system which checks the availability of network resources, notifies users of outages, and generates performance data for reporting. Prior to versions 2.12.12, 2.13.12, and 2.14.6, the VerifyCertificate() function can be tricked into incorrectly treating certificates as valid. This allows an attacker to send a malicious certificate request that is then treated as a renewal of an already existing certificate, resulting in the attacker obtaining a valid certificate that can be used to impersonate trusted nodes. This only occurs when Icinga 2 is built with OpenSSL older than version 1.1.0. This issue has been patched in versions 2.12.12, 2.13.12, and 2.14.6.
References
- https://security-tracker.debian.org/tracker/CVE-2025-48057
- https://github.com/Icinga/icinga2/commit/34c93a2542bbe4e9886d15bc17ec929ead1aa152
- https://github.com/Icinga/icinga2/commit/4023128be42b18a011dda71ddee9ca79955b89cb
- https://github.com/Icinga/icinga2/commit/60f75f4a3d5cbb234eb3694ba7e9076a1a5b8776
- https://github.com/Icinga/icinga2/commit/9ad5683aab9eb392c6737ff46c830a945c9e240f
- https://github.com/Icinga/icinga2/commit/9b2c05d0cc09210bdeade77cf9a73859250fc48d
- https://github.com/Icinga/icinga2/security/advisories/GHSA-7vcf-f5v9-3wr6