Improper Input Validation Affecting znc package, versions <1.7.4-r0
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-ALPINE323-ZNC-14185099
- published4 Dec 2025
- disclosed15 Jun 2019
Introduced: 15 Jun 2019
CVE-2019-12816 (opens in a new tab)How to fix?
Upgrade Alpine:3.23 znc to version 1.7.4-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream znc package and not the znc package as distributed by Alpine.
See How to fix? for Alpine:3.23 relevant fixed versions and status.
Modules.cpp in ZNC before 1.7.4-rc1 allows remote authenticated non-admin users to escalate privileges and execute arbitrary code by loading a module with a crafted name.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12816
- https://seclists.org/bugtraq/2019/Jun/23
- https://lists.debian.org/debian-lts-announce/2019/06/msg00017.html
- https://security-tracker.debian.org/tracker/CVE-2019-12816
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4O24TQOB73X57GACLZVMRVUK4UKHLE5G/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NHR6OD52FQAG5ZPZ42NJM2T765C3V2XC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEESIGRNFLZUWXZPDGXAZ7JZTHYBDJ7G/
- https://security.gentoo.org/glsa/201908-15
- https://github.com/znc/znc/commit/8de9e376ce531fe7f3c8b0aa4876d15b479b7311
- https://github.com/znc/znc/compare/be1b6bc...d1997d6
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00018.html
- https://usn.ubuntu.com/4044-1/
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-12816
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4O24TQOB73X57GACLZVMRVUK4UKHLE5G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NHR6OD52FQAG5ZPZ42NJM2T765C3V2XC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEESIGRNFLZUWXZPDGXAZ7JZTHYBDJ7G/