The remote host is affected by the vulnerability described in GLSA-202003-52 (Samba: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Samba. Please review       the CVE identifiers referenced below for details.
  Impact :

    A remote attacker could possibly execute arbitrary code, cause a Denial       of Service condition, conduct a man-in-the-middle attack, or obtain       sensitive information.
  Workaround :

    There is no known workaround at this time.

Security Fix(es) :

  - samba: Weak authentication protocol regression     (CVE-2018-1139)

  - samba: Insufficient input validation in libsmbclient     (CVE-2018-10858)

  - samba: NULL pointer dereference in printer server     process (CVE-2018-1050)

An update for samba is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Samba is an open source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.

The following packages have been upgraded to a later upstream version:
samba (4.8.3). (BZ#1558560)

Security Fix(es) :

* samba: Weak authentication protocol regression (CVE-2018-1139)

* samba: Insufficient input validation in libsmbclient (CVE-2018-10858)

* samba: NULL pointer dereference in printer server process (CVE-2018-1050)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank the Samba project for reporting CVE-2018-1050. The CVE-2018-1139 issue was discovered by Vivek Das (Red Hat).

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.6 Release Notes linked from the References section.

A NULL pointer dereference flaw was found in Samba RPC external printer service. An attacker could use this flaw to cause the printer spooler service to crash. (CVE-2018-1050)

A heap-buffer overflow was found in the way samba clients processed extra long filename in a directory listing. A malicious samba server could use this flaw to cause arbitrary code execution on a samba client. (CVE-2018-10858)

A flaw was found in the way samba allowed the use of weak NTLMv1 authentication even when NTLMv1 was explicitly disabled. A man-in-the-middle attacker could use this flaw to read the credential and other details passed between the samba server and client.
(CVE-2018-1139)

According to the versions of the samba packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A null pointer dereference flaw was found in Samba RPC     external printer service. An attacker could use this     flaw to cause the printer spooler service to crash.
    (CVE-2018-1050)

  - A heap-buffer overflow was found in the way samba     clients processed extra long filename in a directory     listing. A malicious samba server could use this flaw     to cause arbitrary code execution on a samba     client.(CVE-2018-10858)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the samba packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - All versions of Samba from 4.0.0 onwards are vulnerable     to a denial of service attack when the RPC spoolss     service is configured to be run as an external daemon.
    Missing input sanitization checks on some of the input     parameters to spoolss RPC calls could cause the print     spooler service to crash.(CVE-2018-1050)

  - A heap-buffer overflow was found in the way samba     clients processed extra long filename in a directory     listing. A malicious samba server could use this flaw     to cause arbitrary code execution on a samba client.
    Samba versions before 4.6.16, 4.7.9 and 4.8.4 are     vulnerable.(CVE-2018-10858)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for samba fixes the following issues :

The following security vulnerabilities were fixed :

  - CVE-2018-1139: Disable NTLMv1 auth if smb.conf doesn't     allow it; (bsc#1095048)

  - CVE-2018-1140: ldbsearch '(distinguishedName=abc)' and     DNS query with escapes crashes; (bsc#1095056)

  - CVE-2018-10919: Confidential attribute disclosure via     substring search; (bsc#1095057)

  - CVE-2018-10858: smbc_urlencode helper function is a     subject to buffer overflow; (bsc#1103411)

  - CVE-2018-10918: Fix NULL ptr dereference in DsCrackNames     on a user without a SPN; (bsc#1103414)

This update was imported from the SUSE:SLE-15:Update update project.

Update to Samba 4.7.9, Security fix for CVE-2018-1139, CVE-2018-1140, CVE-2018-10858, CVE-2018-10918, CVE-2018-10919

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote NewStart CGSL host, running version MAIN 6.02, has samba packages installed that are affected by multiple vulnerabilities:

  - Multiple heap-based buffer overflows in the NDR parsing in smbd in Samba 3.0.0 through 3.0.25rc3 allow     remote attackers to execute arbitrary code via crafted MS-RPC requests involving (1) DFSEnum     (netdfs_io_dfs_EnumInfo_d), (2) RFNPCNEX (smb_io_notify_option_type_data), (3) LsarAddPrivilegesToAccount     (lsa_io_privilege_set), (4) NetSetFileSecurity (sec_io_acl), or (5) LsarLookupSids/LsarLookupSids2     (lsa_io_trans_names). (CVE-2007-2446)

  - The MS-RPC functionality in smbd in Samba 3.0.0 through 3.0.25rc3 allows remote attackers to execute     arbitrary commands via shell metacharacters involving the (1) SamrChangePassword function, when the     username map script smb.conf option is enabled, and allows remote authenticated users to execute     commands via shell metacharacters involving other MS-RPC functions in the (2) remote printer and (3) file     share management. (CVE-2007-2447)

  - Heap-based buffer overflow in the receive_smb_raw function in util/sock.c in Samba 3.0.0 through 3.0.29     allows remote attackers to execute arbitrary code via a crafted SMB response. (CVE-2008-1105)

  - Samba 3.4 before 3.4.2, 3.3 before 3.3.8, 3.2 before 3.2.15, and 3.0.12 through 3.0.36, as used in the SMB     subsystem in Apple Mac OS X 10.5.8 when Windows File Sharing is enabled, Fedora 11, and other operating     systems, does not properly handle errors in resolving pathnames, which allows remote authenticated users     to bypass intended sharing restrictions, and read, create, or modify files, in certain circumstances     involving user accounts that lack home directories. (CVE-2009-2813)

  - smbd in Samba 3.0 before 3.0.37, 3.2 before 3.2.15, 3.3 before 3.3.8, and 3.4 before 3.4.2 allows remote     authenticated users to cause a denial of service (infinite loop) via an unanticipated oplock break     notification reply packet. (CVE-2009-2906)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
134927	GLSA-202003-52 : Samba: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	2020/3/26	2024/3/20	critical
119198	Scientific Linux Security Update : samba on SL7.x x86_64 (20181030)	Nessus	Scientific Linux Local Security Checks	2018/11/27	2024/7/18	high
119691	CentOS 7 : samba (CESA-2018:3056)	Nessus	CentOS Local Security Checks	2018/12/17	2020/3/27	high
121359	Amazon Linux AMI : samba (ALAS-2018-1126)	Nessus	Amazon Linux Local Security Checks	2019/1/25	2024/6/26	high
123741	EulerOS Virtualization 2.5.3 : samba (EulerOS-SA-2019-1273)	Nessus	Huawei Local Security Checks	2019/4/4	2024/6/5	high
124628	EulerOS 2.0 SP3 : samba (EulerOS-SA-2019-1342)	Nessus	Huawei Local Security Checks	2019/5/6	2024/5/28	high
112000	openSUSE Security Update : samba (openSUSE-2018-891)	Nessus	SuSE Local Security Checks	2018/8/20	2024/8/16	high
112051	Fedora 27 : 2:samba (2018-8e4d871867)	Nessus	Fedora Local Security Checks	2018/8/22	2024/8/15	high
206855	NewStart CGSL MAIN 6.02 : samba Multiple Vulnerabilities (NS-SA-2024-0054)	Nessus	NewStart CGSL Local Security Checks	2024/9/10	2024/9/17	critical

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