According to the versions of the samba packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :
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)
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.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(146109);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/24");
script_cve_id("CVE-2020-14318", "CVE-2020-14323");
script_name(english:"EulerOS 2.0 SP5 : samba (EulerOS-SA-2021-1229)");
script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing multiple security updates.");
script_set_attribute(attribute:"description", value:
"According to the versions of the samba packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :
- 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)
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.");
# https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-1229
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7046efe6");
script_set_attribute(attribute:"solution", value:
"Update the affected samba packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:N/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-14318");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"patch_publication_date", value:"2021/02/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/02/04");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:libsmbclient");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:libwbclient");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-client-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-common-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-common-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-python");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-winbind");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-winbind-clients");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:samba-winbind-modules");
script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Huawei Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
script_exclude_keys("Host/EulerOS/uvp_version");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0");
sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(5)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5");
uvp = get_kb_item("Host/EulerOS/uvp_version");
if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5", "EulerOS UVP " + uvp);
if (!get_kb_item("Host/EulerOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);
flag = 0;
pkgs = ["libsmbclient-4.7.1-9.h22.eulerosv2r7",
"libwbclient-4.7.1-9.h22.eulerosv2r7",
"samba-4.7.1-9.h22.eulerosv2r7",
"samba-client-4.7.1-9.h22.eulerosv2r7",
"samba-client-libs-4.7.1-9.h22.eulerosv2r7",
"samba-common-4.7.1-9.h22.eulerosv2r7",
"samba-common-libs-4.7.1-9.h22.eulerosv2r7",
"samba-common-tools-4.7.1-9.h22.eulerosv2r7",
"samba-libs-4.7.1-9.h22.eulerosv2r7",
"samba-python-4.7.1-9.h22.eulerosv2r7",
"samba-winbind-4.7.1-9.h22.eulerosv2r7",
"samba-winbind-clients-4.7.1-9.h22.eulerosv2r7",
"samba-winbind-modules-4.7.1-9.h22.eulerosv2r7"];
foreach (pkg in pkgs)
if (rpm_check(release:"EulerOS-2.0", sp:"5", reference:pkg)) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : rpm_report_get()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "samba");
}
Vendor | Product | Version | CPE |
---|---|---|---|
huawei | euleros | samba-python | p-cpe:/a:huawei:euleros:samba-python |
huawei | euleros | samba-winbind | p-cpe:/a:huawei:euleros:samba-winbind |
huawei | euleros | samba-winbind-clients | p-cpe:/a:huawei:euleros:samba-winbind-clients |
huawei | euleros | samba-winbind-modules | p-cpe:/a:huawei:euleros:samba-winbind-modules |
huawei | euleros | 2.0 | cpe:/o:huawei:euleros:2.0 |
huawei | euleros | libsmbclient | p-cpe:/a:huawei:euleros:libsmbclient |
huawei | euleros | libwbclient | p-cpe:/a:huawei:euleros:libwbclient |
huawei | euleros | samba | p-cpe:/a:huawei:euleros:samba |
huawei | euleros | samba-client | p-cpe:/a:huawei:euleros:samba-client |
huawei | euleros | samba-client-libs | p-cpe:/a:huawei:euleros:samba-client-libs |