Test ID:	1.3.6.1.4.1.25623.1.1.12.2021.4931.1
Category:	Ubuntu Local Security Checks
Title:	Ubuntu: Security Advisory (USN-4931-1)
Summary:	The remote host is missing an update for the 'samba' package(s) announced via the USN-4931-1 advisory.
Description:	Summary: The remote host is missing an update for the 'samba' package(s) announced via the USN-4931-1 advisory. Vulnerability Insight: Steven French discovered that Samba incorrectly handled ChangeNotify permissions. A remote attacker could possibly use this issue to obtain file name information. (CVE-2020-14318) Bas Alberts discovered that Samba incorrectly handled certain winbind requests. A remote attacker could possibly use this issue to cause winbind to crash, resulting in a denial of service. (CVE-2020-14323) Francis Brosnan Blazquez discovered that Samba incorrectly handled certain invalid DNS records. A remote attacker could possibly use this issue to cause the DNS server to crash, resulting in a denial of service. (CVE-2020-14383) Peter Eriksson discovered that Samba incorrectly handled certain negative idmap cache entries. This issue could result in certain users gaining unauthorized access to files, contrary to expected behaviour. (CVE-2021-20254) Affected Software/OS: 'samba' package(s) on Ubuntu 14.04. Solution: Please install the updated package(s). CVSS Score: 4.9 CVSS Vector: AV:N/AC:M/Au:S/C:P/I:P/A:N
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2020-14318 https://security.gentoo.org/glsa/202012-24 https://bugzilla.redhat.com/show_bug.cgi?id=1892631 https://www.samba.org/samba/security/CVE-2020-14318.html https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html Common Vulnerability Exposure (CVE) ID: CVE-2020-14323 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/ https://bugzilla.redhat.com/show_bug.cgi?id=1891685 https://www.samba.org/samba/security/CVE-2020-14323.html https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html SuSE Security Announcement: openSUSE-SU-2020:1811 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html SuSE Security Announcement: openSUSE-SU-2020:1819 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html Common Vulnerability Exposure (CVE) ID: CVE-2020-14383 https://bugzilla.redhat.com/show_bug.cgi?id=1892636 https://www.samba.org/samba/security/CVE-2020-14383.html Common Vulnerability Exposure (CVE) ID: CVE-2021-20254 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3EP2VJ73OVBPVSOSTVOMGIEQA3MWF6F7/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZAF6L2M6CNAJ2YYYGXPWETTW5YLCWTVT/ https://security.gentoo.org/glsa/202105-22 https://security.netapp.com/advisory/ntap-20210430-0001/ https://bugzilla.redhat.com/show_bug.cgi?id=1949442 https://www.samba.org/samba/security/CVE-2021-20254.html https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html
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