SUSE SLED12 / SLES12 Security Update : openssl-1_1 (SUSE-SU-2020:0099-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2020:0099-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(132926);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/29");

  script_cve_id(
    "CVE-2019-1547",
    "CVE-2019-1549",
    "CVE-2019-1551",
    "CVE-2019-1563"
  );
  script_xref(name:"IAVA", value:"2019-A-0303-S");

  script_name(english:"SUSE SLED12 / SLES12 Security Update : openssl-1_1 (SUSE-SU-2020:0099-1)");

  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_1 fixes the following issues :

Security issue fixed :

CVE-2019-1551: Fixed an overflow bug in the x64_64 Montgomery squaring
procedure used in exponentiation with 512-bit moduli (bsc#1158809).

CVE-2019-1563: Fixed bleichenbacher attack against cms/pkcs7
encryptioon transported key (bsc#1150250).

CVE-2019-1551: Fixed integer overflow in RSAZ modular exponentiation
on x86_64 (bsc#1158809).

CVE-2019-1549: Fixed fork problem with random generator (bsc#1150247).

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

Bug fixes :

Ship the openssl 1.1.1 binary as openssl-1_1, and make it installable
in parallel with the system openssl (bsc#1140277).

Update to 1.1.1d (bsc#1133925, jsc#SLE-6430).

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=1133925");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1140277");
  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=1150247");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1150250");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1158809");
  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-2019-1549/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-1551/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-1563/");
  # https://www.suse.com/support/update/announcement/2020/suse-su-20200099-1/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?4aee2356");
  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-SP5 :

zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-99=1

SUSE Linux Enterprise Software Development Kit 12-SP4 :

zypper in -t patch SUSE-SLE-SDK-12-SP4-2020-99=1

SUSE Linux Enterprise Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-99=1

SUSE Linux Enterprise Server 12-SP4 :

zypper in -t patch SUSE-SLE-SERVER-12-SP4-2020-99=1

SUSE Linux Enterprise Desktop 12-SP4 :

zypper in -t patch SUSE-SLE-DESKTOP-12-SP4-2020-99=1");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:N/AC:L/PR:N/UI:N/S:U/C:L/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-2019-1551");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/01/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/01/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libopenssl1_1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libopenssl1_1-debuginfo");
  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_1-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openssl-1_1-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2020-2024 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|5)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP4/5", os_ver + " SP" + sp);
if (os_ver == "SLED12" && (! preg(pattern:"^(4)$", string:sp))) audit(AUDIT_OS_NOT, "SLED12 SP4", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_1-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_1-32bit-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_1-debuginfo-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"libopenssl1_1-debuginfo-32bit-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"openssl-1_1-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"openssl-1_1-debuginfo-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"4", reference:"openssl-1_1-debugsource-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"libopenssl1_1-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"libopenssl1_1-32bit-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"libopenssl1_1-debuginfo-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"libopenssl1_1-debuginfo-32bit-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"openssl-1_1-debuginfo-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"openssl-1_1-debugsource-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libopenssl1_1-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libopenssl1_1-32bit-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libopenssl1_1-debuginfo-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"libopenssl1_1-debuginfo-32bit-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"openssl-1_1-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"openssl-1_1-debuginfo-1.1.1d-2.20.1")) flag++;
if (rpm_check(release:"SLED12", sp:"4", cpu:"x86_64", reference:"openssl-1_1-debugsource-1.1.1d-2.20.1")) 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_1");
}