Test ID:	1.3.6.1.4.1.25623.1.0.892463
Category:	Debian Local Security Checks
Title:	Debian LTS: Security Advisory for samba (DLA-2463-1)
Summary:	The remote host is missing an update for the 'samba'; package(s) announced via the DLA-2463-1 advisory.
Description:	Summary: The remote host is missing an update for the 'samba' package(s) announced via the DLA-2463-1 advisory. Vulnerability Insight: Multiple vulnerabilities have been discovered in Samba, a SMB/CIFS file, print, and login server for Unix. CVE-2020-1472 Unauthenticated domain controller compromise by subverting Netlogon cryptography. This vulnerability includes both ZeroLogon and non-ZeroLogon variations. CVE-2020-10704 An unauthorized user can trigger a denial of service via a stack overflow in the AD DC LDAP server. CVE-2020-10730 NULL pointer de-reference and use-after-free in Samba AD DC LDAP Server with ASQ, VLV and paged_results. CVE-2020-10745 Denial of service resulting from abuse of compression of replies to NetBIOS over TCP/IP name resolution and DNS packets causing excessive CPU load on the Samba AD DC. CVE-2020-10760 The use of the paged_results or VLV controls against the Global Catalog LDAP server on the AD DC will cause a use-after-free. CVE-2020-14303 Denial of service resulting from CPU spin and inability to process further requests once the AD DC NBT server receives an empty (zero-length) UDP packet to port 137. CVE-2020-14318 Missing handle permissions check in ChangeNotify CVE-2020-14323 Unprivileged user can crash winbind via invalid lookupsids DoS CVE-2020-14383 DNS server crash via invalid records resulting from uninitialized variables Affected Software/OS: 'samba' package(s) on Debian Linux. Solution: For Debian 9 stretch, these problems have been fixed in version 2:4.5.16+dfsg-1+deb9u3. We recommend that you upgrade your samba packages. 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/
Copyright	Copyright (C) 2020 Greenbone Networks GmbH

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