Test ID:	1.3.6.1.4.1.25623.1.1.12.2024.6901.1
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-6901-1)
Summary:	The remote host is missing an update for the 'stunnel4' package(s) announced via the USN-6901-1 advisory.
Description:	Summary: The remote host is missing an update for the 'stunnel4' package(s) announced via the USN-6901-1 advisory. Vulnerability Insight: It was discovered that stunnel did not properly validate client certificates when configured to use both the redirect and verifyChain options. A remote attacker could potentially use this issue to obtain sensitive information by accessing the tunneled service. Affected Software/OS: 'stunnel4' package(s) on Ubuntu 18.04, Ubuntu 20.04. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-20230 https://security.gentoo.org/glsa/202105-02 https://bugzilla.redhat.com/show_bug.cgi?id=1925226 https://github.com/mtrojnar/stunnel/commit/ebad9ddc4efb2635f37174c9d800d06206f1edf9
Copyright	Copyright (C) 2024 Greenbone AG

This is only one of 145615 vulnerability tests in our test suite. Find out more about running a complete security audit. To run a free test of this vulnerability against your system, register below.