CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
99.9%
Security Fix(es) :
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(100402);
script_version("3.15");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/03/30");
script_cve_id("CVE-2017-7494");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2023/04/20");
script_name(english:"Scientific Linux Security Update : samba4 on SL6.x i386/x86_64 (20170524) (SambaCry)");
script_set_attribute(attribute:"synopsis", value:
"The remote Scientific Linux host is missing one or more security
updates.");
script_set_attribute(attribute:"description", value:
"Security Fix(es) :
- A remote code execution flaw was found in Samba. A
malicious authenticated samba client, having write
access to the samba share, could use this flaw to
execute arbitrary code as root. (CVE-2017-7494)");
# https://listserv.fnal.gov/scripts/wa.exe?A2=ind1705&L=scientific-linux-errata&F=&S=&P=7233
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?cc175005");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"exploit_framework_core", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'Samba is_known_pipename() Arbitrary Module Load');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
script_set_attribute(attribute:"canvas_package", value:"CANVAS");
script_set_attribute(attribute:"in_the_news", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2017/05/30");
script_set_attribute(attribute:"patch_publication_date", value:"2017/05/24");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/05/25");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-client");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-common");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-dc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-dc-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-pidl");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-python");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-test");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-winbind");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-winbind-clients");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:samba4-winbind-krb5-locator");
script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Scientific Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2017-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/RedHat/release", "Host/RedHat/rpm-list");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
os_ver = pregmatch(pattern: "Scientific Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Scientific Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Scientific Linux 6.x", "Scientific Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);
flag = 0;
if (rpm_check(release:"SL6", reference:"samba4-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-client-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-common-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-dc-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-dc-libs-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-debuginfo-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-devel-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-libs-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-pidl-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-python-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-test-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-winbind-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-winbind-clients-4.2.10-10.el6_9")) flag++;
if (rpm_check(release:"SL6", reference:"samba4-winbind-krb5-locator-4.2.10-10.el6_9")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
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, "samba4 / samba4-client / samba4-common / samba4-dc / samba4-dc-libs / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
fermilab | scientific_linux | samba4-client | p-cpe:/a:fermilab:scientific_linux:samba4-client |
fermilab | scientific_linux | samba4-debuginfo | p-cpe:/a:fermilab:scientific_linux:samba4-debuginfo |
fermilab | scientific_linux | samba4-test | p-cpe:/a:fermilab:scientific_linux:samba4-test |
fermilab | scientific_linux | samba4-devel | p-cpe:/a:fermilab:scientific_linux:samba4-devel |
fermilab | scientific_linux | samba4-winbind | p-cpe:/a:fermilab:scientific_linux:samba4-winbind |
fermilab | scientific_linux | samba4-dc | p-cpe:/a:fermilab:scientific_linux:samba4-dc |
fermilab | scientific_linux | x-cpe:/o:fermilab:scientific_linux | |
fermilab | scientific_linux | samba4-winbind-krb5-locator | p-cpe:/a:fermilab:scientific_linux:samba4-winbind-krb5-locator |
fermilab | scientific_linux | samba4-pidl | p-cpe:/a:fermilab:scientific_linux:samba4-pidl |
fermilab | scientific_linux | samba4-dc-libs | p-cpe:/a:fermilab:scientific_linux:samba4-dc-libs |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
99.9%