Test ID:	1.3.6.1.4.1.25623.1.1.2.2021.1118
Category:	Huawei EulerOS Local Security Checks
Title:	Huawei EulerOS: Security Advisory for samba (EulerOS-SA-2021-1118)
Summary:	The remote host is missing an update for the Huawei EulerOS 'samba' package(s) announced via the EulerOS-SA-2021-1118 advisory.
Description:	Summary: The remote host is missing an update for the Huawei EulerOS 'samba' package(s) announced via the EulerOS-SA-2021-1118 advisory. Vulnerability Insight: A flaw was found in samba's DNS server. An authenticated user could use this flaw to the RPC server to crash. This RPC server, which also serves protocols other than dnsserver, will be restarted after a short delay, but it is easy for an authenticated non administrative attacker to crash it again as soon as it returns. The Samba DNS server itself will continue to operate, but many RPC services will not.(CVE-2020-14383) A flaw was found in the way samba handled file and directory permissions. An authenticated user could use this flaw to gain access to certain file and directory information which otherwise would be unavailable to the attacker.(CVE-2020-14318) A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.(CVE-2020-14323) An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, using the Netlogon Remote Protocol (MS-NRPC), aka 'Netlogon Elevation of Privilege Vulnerability'.(CVE-2020-1472) Affected Software/OS: 'samba' package(s) on Huawei EulerOS V2.0SP3. Solution: Please install the updated package(s). CVSS Score: 9.3 CVSS Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-1472 CERT/CC vulnerability note: VU#490028 https://www.kb.cert.org/vuls/id/490028 https://www.synology.com/security/advisory/Synology_SA_20_21 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H4OTFBL6YDVFH2TBJFJIE4FMHPJEEJK3/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TAPQQZZAT4TG3XVRTAFV2Y3S7OAHFBUP/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ST6X3A2XXYMGD4INR26DQ4FP4QSM753B/ https://security.gentoo.org/glsa/202012-24 http://packetstormsecurity.com/files/159190/Zerologon-Proof-Of-Concept.html http://packetstormsecurity.com/files/160127/Zerologon-Netlogon-Privilege-Escalation.html https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1472 https://www.oracle.com/security-alerts/cpuApr2021.html https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html http://www.openwall.com/lists/oss-security/2020/09/17/2 SuSE Security Announcement: openSUSE-SU-2020:1513 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00080.html SuSE Security Announcement: openSUSE-SU-2020:1526 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00086.html https://usn.ubuntu.com/4510-1/ https://usn.ubuntu.com/4510-2/ https://usn.ubuntu.com/4559-1/
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