Test ID:	1.3.6.1.4.1.25623.1.0.844356
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4294-1)
Summary:	The remote host is missing an update for the 'opensmtpd' package(s) announced via the USN-4294-1 advisory.
Description:	Summary: The remote host is missing an update for the 'opensmtpd' package(s) announced via the USN-4294-1 advisory. Vulnerability Insight: It was discovered that OpenSMTPD mishandled certain input. A remote, unauthenticated attacker could use this vulnerability to execute arbitrary shell commands as any non-root user. (CVE-2020-8794) It was discovered that OpenSMTPD did not properly handle hardlinks under certain conditions. An unprivileged local attacker could read the first line of any file on the filesystem. (CVE-2020-8793) Affected Software/OS: 'opensmtpd' package(s) on Ubuntu 18.04, Ubuntu 19.10. Solution: Please install the updated package(s). CVSS Score: 10.0 CVSS Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-8793 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OPH4QU4DNVHA7ACFXMYFCEP5PSXXPN4E/ http://seclists.org/fulldisclosure/2020/Feb/28 https://www.openbsd.org/security.html http://www.openwall.com/lists/oss-security/2020/02/24/4 https://usn.ubuntu.com/4294-1/ Common Vulnerability Exposure (CVE) ID: CVE-2020-8794 Debian Security Information: DSA-4634 (Google Search) https://www.debian.org/security/2020/dsa-4634 http://seclists.org/fulldisclosure/2020/Feb/32 http://packetstormsecurity.com/files/156633/OpenSMTPD-Out-Of-Bounds-Read-Local-Privilege-Escalation.html https://www.openwall.com/lists/oss-security/2020/02/24/5 http://www.openwall.com/lists/oss-security/2020/02/26/1 http://www.openwall.com/lists/oss-security/2020/03/01/1 http://www.openwall.com/lists/oss-security/2020/03/01/2 http://www.openwall.com/lists/oss-security/2021/05/04/7
Copyright	Copyright (C) 2020 Greenbone AG

This is only one of 146377 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.