openSUSE Security Update : ucode-intel (openSUSE-2020-791)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2020-791.
#
# The text description of this plugin is (C) SUSE LLC.
#

include('compat.inc');

if (description)
{
  script_id(137351);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/07");

  script_cve_id("CVE-2020-0543", "CVE-2020-0548", "CVE-2020-0549");

  script_name(english:"openSUSE Security Update : ucode-intel (openSUSE-2020-791)");

  script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"This update for ucode-intel fixes the following issues :

Updated Intel CPU Microcode to 20200602 (prerelease) (bsc#1172466)
This update contains security mitigations for :

  - CVE-2020-0543: Fixed a side channel attack against
    special registers which could have resulted in leaking
    of read values to cores other than the one which called
    it. This attack is known as Special Register Buffer Data
    Sampling (SRBDS) or 'CrossTalk' (bsc#1154824).

  - CVE-2020-0548,CVE-2020-0549: Additional ucode updates
    were supplied to mitigate the Vector Register and L1D
    Eviction Sampling aka 'CacheOutAttack' attacks.
    (bsc#1156353)

Microcode Table :

Processor Identifier Version Products Model Stepping F-MO-S/PI
Old->New

---- new platforms ----------------------------------------

---- updated platforms ------------------------------------
HSW C0 6-3c-3/32 00000027->00000028 Core Gen4 BDW-U/Y E0/F0
6-3d-4/c0 0000002e->0000002f Core Gen5 HSW-U C0/D0 6-45-1/72
00000025->00000026 Core Gen4 HSW-H C0 6-46-1/32
0000001b->0000001c Core Gen4 BDW-H/E3 E0/G0 6-47-1/22
00000021->00000022 Core Gen5 SKL-U/Y D0 6-4e-3/c0
000000d6->000000dc Core Gen6 Mobile SKL-U23e K1 6-4e-3/c0
000000d6->000000dc Core Gen6 Mobile SKX-SP B1 6-55-3/97
01000151->01000157 Xeon Scalable SKX-SP H0/M0/U0 6-55-4/b7
02000065->02006906 Xeon Scalable SKX-D M1 6-55-4/b7
02000065->02006906 Xeon D-21xx CLX-SP B0 6-55-6/bf
0400002c->04002f01 Xeon Scalable Gen2 CLX-SP B1 6-55-7/bf
0500002c->04002f01 Xeon Scalable Gen2 SKL-H/S R0/N0
6-5e-3/36 000000d6->000000dc Core Gen6; Xeon E3 v5 AML-Y22
H0 6-8e-9/10 000000ca->000000d6 Core Gen8 Mobile KBL-U/Y H0
6-8e-9/c0 000000ca->000000d6 Core Gen7 Mobile CFL-U43e D0
6-8e-a/c0 000000ca->000000d6 Core Gen8 Mobile WHL-U W0
6-8e-b/d0 000000ca->000000d6 Core Gen8 Mobile AML-Y42 V0
6-8e-c/94 000000ca->000000d6 Core Gen10 Mobile CML-Y42 V0
6-8e-c/94 000000ca->000000d6 Core Gen10 Mobile WHL-U V0
6-8e-c/94 000000ca->000000d6 Core Gen8 Mobile KBL-G/H/S/E3
B0 6-9e-9/2a 000000ca->000000d6 Core Gen7; Xeon E3 v6
CFL-H/S/E3 U0 6-9e-a/22 000000ca->000000d6 Core Gen8
Desktop, Mobile, Xeon E CFL-S B0 6-9e-b/02
000000ca->000000d6 Core Gen8 CFL-H/S P0 6-9e-c/22
000000ca->000000d6 Core Gen9 CFL-H R0 6-9e-d/22
000000ca->000000d6 Core Gen9 Mobile

Also contains the Intel CPU Microcode update to 20200520 :

Processor Identifier Version Products Model Stepping F-MO-S/PI
Old->New

---- new platforms ----------------------------------------

---- updated platforms ------------------------------------
SNB-E/EN/EP C1/M0 6-2d-6/6d 0000061f->00000621 Xeon E3/E5,
Core X SNB-E/EN/EP C2/M1 6-2d-7/6d 00000718->0000071a Xeon
E3/E5, Core X

This update was imported from the SUSE:SLE-15-SP1:Update update
project.");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1154824");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1156353");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1172466");
  script_set_attribute(attribute:"solution", value:
"Update the affected ucode-intel package.");
  script_set_cvss_base_vector("CVSS2#AV:L/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:L/AC:L/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-2020-0549");

  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:"2020/01/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/06/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/06/11");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ucode-intel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.1");
  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) 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/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");

  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, "openSUSE");
if (release !~ "^(SUSE15\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.1", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE15.1", reference:"ucode-intel-20200602-lp151.2.24.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
  else security_note(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ucode-intel");
}