SUSE SLES11 Security Update : samba (SUSE-SU-2016:1028-1) (Badlock)

2016-04-15T00:00:00
ID SUSE_SU-2016-1028-1.NASL
Type nessus
Reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2020-01-02T00:00:00

Description

samba was updated to fix seven security issues.

These security issues were fixed :

  • CVE-2015-5370: DCERPC server and client were vulnerable to DOS and MITM attacks (bsc#936862).

  • CVE-2016-2110: A man-in-the-middle could have downgraded NTLMSSP authentication (bsc#973031).

  • CVE-2016-2111: Domain controller netlogon member computer could have been spoofed (bsc#973032).

  • CVE-2016-2112: LDAP conenctions were vulnerable to downgrade and MITM attack (bsc#973033).

  • CVE-2016-2113: TLS certificate validation were missing (bsc#973034).

  • CVE-2016-2115: Named pipe IPC were vulnerable to MITM attacks (bsc#973036).

  • CVE-2016-2118:

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2016:1028-1.
# The text itself is copyright (C) SUSE.
#

include("compat.inc");

if (description)
{
  script_id(90536);
  script_version("2.15");
  script_cvs_date("Date: 2019/09/11 11:22:13");

  script_cve_id("CVE-2015-5370", "CVE-2016-2110", "CVE-2016-2111", "CVE-2016-2112", "CVE-2016-2113", "CVE-2016-2115", "CVE-2016-2118");

  script_name(english:"SUSE SLES11 Security Update : samba (SUSE-SU-2016:1028-1) (Badlock)");
  script_summary(english:"Checks rpm output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote SUSE host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"samba was updated to fix seven security issues.

These security issues were fixed :

  - CVE-2015-5370: DCERPC server and client were vulnerable
    to DOS and MITM attacks (bsc#936862).

  - CVE-2016-2110: A man-in-the-middle could have downgraded
    NTLMSSP authentication (bsc#973031).

  - CVE-2016-2111: Domain controller netlogon member
    computer could have been spoofed (bsc#973032).

  - CVE-2016-2112: LDAP conenctions were vulnerable to
    downgrade and MITM attack (bsc#973033).

  - CVE-2016-2113: TLS certificate validation were missing
    (bsc#973034).

  - CVE-2016-2115: Named pipe IPC were vulnerable to MITM
    attacks (bsc#973036).

  - CVE-2016-2118: 'Badlock' DCERPC impersonation of
    authenticated account were possible (bsc#971965).

The update package also includes non-security fixes. See advisory for
details.

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=936862"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=967017"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=971965"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=973031"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=973032"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=973033"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=973034"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=973036"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-5370/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-2110/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-2111/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-2112/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-2113/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-2115/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-2118/"
  );
  # https://www.suse.com/support/update/announcement/2016/suse-su-20161028-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?511357b8"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 11-SP2-LTSS :

zypper in -t patch slessp2-samba-12508=1

SUSE Linux Enterprise Debuginfo 11-SP2 :

zypper in -t patch dbgsp2-samba-12508=1

To bring your system up-to-date, use 'zypper patch'."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/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:H/PR:N/UI:R/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:novell:suse_linux:ldapsmb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libldb1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libsmbclient0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libtalloc2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libtdb1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libtevent0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libwbclient0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:samba");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:samba-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:samba-krb-printing");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:samba-winbind");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/04/12");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/04/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/04/15");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/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);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES11", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES11" && (! preg(pattern:"^(2)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP2", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES11", sp:"2", cpu:"x86_64", reference:"libsmbclient0-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"x86_64", reference:"libtalloc2-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"x86_64", reference:"libtdb1-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"x86_64", reference:"libtevent0-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"x86_64", reference:"libwbclient0-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"x86_64", reference:"samba-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"x86_64", reference:"samba-client-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"x86_64", reference:"samba-winbind-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"s390x", reference:"libsmbclient0-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"s390x", reference:"libtalloc2-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"s390x", reference:"libtdb1-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"s390x", reference:"libtevent0-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"s390x", reference:"libwbclient0-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"s390x", reference:"samba-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"s390x", reference:"samba-client-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", cpu:"s390x", reference:"samba-winbind-32bit-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"ldapsmb-1.34b-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"libldb1-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"libsmbclient0-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"libtalloc2-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"libtdb1-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"libtevent0-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"libwbclient0-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"samba-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"samba-client-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"samba-krb-printing-3.6.3-52.1")) flag++;
if (rpm_check(release:"SLES11", sp:"2", reference:"samba-winbind-3.6.3-52.1")) 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, "samba");
}