CVE-2019-12816

Publication date 15 June 2019

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

From the Ubuntu Security Team

It was discovered that ZNC incorrectly handled loading modules. A non-admin user could possibly use this to escalate privileges or execute arbitry code.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
znc	19.04 disco	Fixed 1.7.2-2ubuntu0.1
	18.10 cosmic	Fixed 1.7.1-2ubuntu0.2
	18.04 LTS bionic	Fixed 1.6.6-1ubuntu0.2
	16.04 LTS xenial	Fixed 1.6.3-1ubuntu0.2
	14.04 LTS trusty	Fixed 1.2-3ubuntu0.1+esm1 Ubuntu Pro

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
znc	Upstream: 8de9e37

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H