Test ID:	1.3.6.1.4.1.25623.1.1.2.2021.1889
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for stunnel (EulerOS-SA-2021-1889)
Summary:	The remote host is missing an update for the Huawei EulerOS 'stunnel' package(s) announced via the EulerOS-SA-2021-1889 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'stunnel' package(s) announced via the EulerOS-SA-2021-1889 advisory. Vulnerability Insight: A flaw was found in stunnel before 5.57, where it improperly validates client certificates when it is configured to use both redirect and verifyChain options. This flaw allows an attacker with a certificate signed by a Certificate Authority, which is not the one accepted by the stunnel server, to access the tunneled service instead of being redirected to the address specified in the redirect option. The highest threat from this vulnerability is to confidentiality.(CVE-2021-20230) Affected Software/OS: 'stunnel' package(s) on Huawei EulerOS V2.0SP8. 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) 2021 Greenbone AG

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