SUSE SLED12 / SLES12 Security Update : openssl-1_0_0 (SUSE-SU-2019:2504-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2019:2504-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(129528);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/19");

  script_cve_id("CVE-2019-1547", "CVE-2019-1563");

  script_name(english:"SUSE SLED12 / SLES12 Security Update : openssl-1_0_0 (SUSE-SU-2019:2504-1)");

  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 for openssl-1_0_0 fixes the following issues :

OpenSSL Security Advisory [10 September 2019]

CVE-2019-1547: Added EC_GROUP_set_generator side channel attack
avoidance. (bsc#1150003)

CVE-2019-1563: Fixed Bleichenbacher attack against cms/pkcs7
encryption transported key (bsc#1150250)

In addition fixed invalid curve attacks by validating that an EC point
lies on the curve (bsc#1131291).

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=1131291");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1150003");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1150250");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-1547/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-1563/");
  # https://www.suse.com/support/update/announcement/2019/suse-su-20192504-1/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?501bfe00");
  script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 12-SP4:zypper in -t
patch SUSE-SLE-SDK-12-SP4-2019-2504=1

SUSE Linux Enterprise Server 12-SP4:zypper in -t patch
SUSE-SLE-SERVER-12-SP4-2019-2504=1

SUSE Linux Enterprise Desktop 12-SP4:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP4-2019-2504=1");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/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:L/AC:H/PR:L/UI:N/S:U/C:H/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-2019-1563");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2019-1547");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/10/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/10/02");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libopenssl-1_0_0-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libopenssl1_0_0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libopenssl1_0_0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libopenssl1_0_0-hmac");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openssl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openssl-1_0_0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openssl-1_0_0-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) 2019-2022 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:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP4", os_ver + " SP" + sp);
if (os_ver == "SLED12" && (! preg(pattern:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLED12 SP4", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl-1_0_0-devel-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_0_0-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_0_0-32bit-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_0_0-debuginfo-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_0_0-debuginfo-32bit-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_0_0-hmac-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_0_0-hmac-32bit-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"openssl-1_0_0-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"openssl-1_0_0-debuginfo-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"openssl-1_0_0-debugsource-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libopenssl-1_0_0-devel-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libopenssl1_0_0-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libopenssl1_0_0-32bit-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libopenssl1_0_0-debuginfo-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libopenssl1_0_0-debuginfo-32bit-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"openssl-1_0_0-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"openssl-1_0_0-debuginfo-1.0.2p-3.11.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"openssl-1_0_0-debugsource-1.0.2p-3.11.1")) 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, "openssl-1_0_0");
}