From Red Hat Security Advisory 2018:3056 :
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.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2018:3056 and
# Oracle Linux Security Advisory ELSA-2018-3056 respectively.
#
include("compat.inc");
if (description)
{
script_id(118766);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/04/14");
script_cve_id("CVE-2018-1050", "CVE-2018-10858", "CVE-2018-1139");
script_xref(name:"RHSA", value:"2018:3056");
script_name(english:"Oracle Linux 7 : samba (ELSA-2018-3056)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:"The remote Oracle Linux host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"From Red Hat Security Advisory 2018:3056 :
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."
);
script_set_attribute(
attribute:"see_also",
value:"https://oss.oracle.com/pipermail/el-errata/2018-November/008199.html"
);
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:P/A:P");
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:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ctdb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:ctdb-tests");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libsmbclient");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libsmbclient-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libwbclient");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:libwbclient-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-client-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-common-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-common-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-dc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-dc-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-krb5-printing");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-pidl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-python");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-python-test");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-test");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-test-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-vfs-glusterfs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-winbind");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-winbind-clients");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-winbind-krb5-locator");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:linux:samba-winbind-modules");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:linux:7");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/13");
script_set_attribute(attribute:"patch_publication_date", value:"2018/11/06");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/11/07");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2018-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"Oracle Linux Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/OracleLinux", "Host/RedHat/release", "Host/RedHat/rpm-list");
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);
if (!get_kb_item("Host/OracleLinux")) audit(AUDIT_OS_NOT, "Oracle Linux");
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || !pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux)", string:release)) audit(AUDIT_OS_NOT, "Oracle Linux");
os_ver = pregmatch(pattern: "Oracle (?:Linux Server|Enterprise Linux) .*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Oracle Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Oracle Linux 7", "Oracle Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Oracle Linux", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);
flag = 0;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"ctdb-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"ctdb-tests-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libsmbclient-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libsmbclient-devel-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libwbclient-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"libwbclient-devel-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-client-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-client-libs-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-common-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-common-libs-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-common-tools-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-dc-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-dc-libs-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-devel-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-krb5-printing-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-libs-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-pidl-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-python-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-python-test-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-test-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-test-libs-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-vfs-glusterfs-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-winbind-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-winbind-clients-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-winbind-krb5-locator-4.8.3-4.el7")) flag++;
if (rpm_check(release:"EL7", cpu:"x86_64", reference:"samba-winbind-modules-4.8.3-4.el7")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ctdb / ctdb-tests / libsmbclient / libsmbclient-devel / libwbclient / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
oracle | linux | ctdb | p-cpe:/a:oracle:linux:ctdb |
oracle | linux | ctdb-tests | p-cpe:/a:oracle:linux:ctdb-tests |
oracle | linux | libsmbclient | p-cpe:/a:oracle:linux:libsmbclient |
oracle | linux | libwbclient | p-cpe:/a:oracle:linux:libwbclient |
oracle | linux | libwbclient-devel | p-cpe:/a:oracle:linux:libwbclient-devel |
oracle | linux | samba | p-cpe:/a:oracle:linux:samba |
oracle | linux | libsmbclient-devel | p-cpe:/a:oracle:linux:libsmbclient-devel |
oracle | linux | samba-client | p-cpe:/a:oracle:linux:samba-client |
oracle | linux | samba-client-libs | p-cpe:/a:oracle:linux:samba-client-libs |
oracle | linux | samba-common | p-cpe:/a:oracle:linux:samba-common |