SUSE SLED12 / SLES12 Security Update : openldap2 (SUSE-SU-2016:0224-1) (Logjam)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2016:0224-1.
# The text itself is copyright (C) SUSE.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(88176);
  script_version("2.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/12/05");

  script_cve_id("CVE-2015-4000", "CVE-2015-6908");
  script_bugtraq_id(74733);
  script_xref(name:"CEA-ID", value:"CEA-2021-0004");

  script_name(english:"SUSE SLED12 / SLES12 Security Update : openldap2 (SUSE-SU-2016:0224-1) (Logjam)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"This update fixes the following security issues :

  - CVE-2015-6908: The ber_get_next function allowed remote
    attackers to cause a denial of service (reachable
    assertion and application crash) via crafted BER data,
    as demonstrated by an attack against slapd. (bsc#945582)

  - CVE-2015-4000: Fix weak Diffie-Hellman size
    vulnerability. (bsc#937766)

It also fixes the following non-security bugs :

  - bsc#955210: Unresponsive LDAP host lookups in IPv6
    environment

This update adds the following functionality :

  - fate#319300: SHA2 password hashing module that can be
    loaded on-demand.

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=937766");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=945582");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=955210");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2015-4000/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2015-6908/");
  # https://www.suse.com/support/update/announcement/2016/suse-su-20160224-1/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d52655d8");
  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 Software Development Kit 12-SP1 :

zypper in -t patch SUSE-SLE-SDK-12-SP1-2016-139=1

SUSE Linux Enterprise Software Development Kit 12 :

zypper in -t patch SUSE-SLE-SDK-12-2016-139=1

SUSE Linux Enterprise Server for SAP 12 :

zypper in -t patch SUSE-SLE-SAP-12-2016-139=1

SUSE Linux Enterprise Server 12-SP1 :

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2016-139=1

SUSE Linux Enterprise Server 12 :

zypper in -t patch SUSE-SLE-SERVER-12-2016-139=1

SUSE Linux Enterprise Module for Legacy Software 12 :

zypper in -t patch SUSE-SLE-Module-Legacy-12-2016-139=1

SUSE Linux Enterprise Desktop 12-SP1 :

zypper in -t patch SUSE-SLE-DESKTOP-12-SP1-2016-139=1

SUSE Linux Enterprise Desktop 12 :

zypper in -t patch SUSE-SLE-DESKTOP-12-2016-139=1

To bring your system up-to-date, use 'zypper patch'.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/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:"in_the_news", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/05/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/01/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/01/26");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:compat-libldap-2_3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:compat-libldap-2_3-0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libldap-2_4");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libldap-2_4-2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libldap-2_4-2-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openldap2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openldap2-back-meta");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openldap2-back-meta-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openldap2-client");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openldap2-client-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openldap2-client-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openldap2-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openldap2-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2016-2022 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/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:"^(SLED12|SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED12 / SLES12", "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 == "SLES12" && (! preg(pattern:"^(0|1)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP0/1", os_ver + " SP" + sp);
if (os_ver == "SLED12" && (! preg(pattern:"^(0|1)$", string:sp))) audit(AUDIT_OS_NOT, "SLED12 SP0/1", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"1", reference:"libldap-2_4-2-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libldap-2_4-2-debuginfo-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openldap2-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openldap2-back-meta-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openldap2-back-meta-debuginfo-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openldap2-client-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openldap2-client-debuginfo-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openldap2-client-debugsource-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openldap2-debuginfo-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openldap2-debugsource-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libldap-2_4-2-32bit-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libldap-2_4-2-debuginfo-32bit-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libldap-2_4-2-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libldap-2_4-2-debuginfo-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"openldap2-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"openldap2-back-meta-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"openldap2-back-meta-debuginfo-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"openldap2-client-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"openldap2-client-debuginfo-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"openldap2-client-debugsource-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"openldap2-debuginfo-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"openldap2-debugsource-2.4.41-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libldap-2_4-2-32bit-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"libldap-2_4-2-debuginfo-32bit-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"compat-libldap-2_3-0-2.3.37-18.13.4")) flag++;
if (rpm_check(release:"SLES12", sp:"0", reference:"compat-libldap-2_3-0-debuginfo-2.3.37-18.13.4")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libldap-2_4-2-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libldap-2_4-2-32bit-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libldap-2_4-2-debuginfo-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libldap-2_4-2-debuginfo-32bit-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openldap2-client-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openldap2-client-debuginfo-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openldap2-client-debugsource-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libldap-2_4-2-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libldap-2_4-2-32bit-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libldap-2_4-2-debuginfo-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"libldap-2_4-2-debuginfo-32bit-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"openldap2-client-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"openldap2-client-debuginfo-2.4.41-18.13.1")) flag++;
if (rpm_check(release:"SLED12", sp:"0", cpu:"x86_64", reference:"openldap2-client-debugsource-2.4.41-18.13.1")) 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, "openldap2");
}