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nessusThis script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.OPENSUSE-2019-199.NASL
HistoryFeb 19, 2019 - 12:00 a.m.

openSUSE Security Update : libu2f-host (openSUSE-2019-199)

2019-02-1900:00:00
This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
15

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.2

Confidence

High

EPSS

0.002

Percentile

56.6%

This update for libu2f-host fixes the following issues :

Security issue fixed :

  • CVE-2018-20340: Fixed an unchecked buffer, which could allow a buffer overflow with a custom made malicious USB device (bsc#1124781).
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2019-199.
#
# The text description of this plugin is (C) SUSE LLC.
#

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

if (description)
{
  script_id(122299);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/19");

  script_cve_id("CVE-2018-20340");

  script_name(english:"openSUSE Security Update : libu2f-host (openSUSE-2019-199)");

  script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"This update for libu2f-host fixes the following issues :

Security issue fixed :

  - CVE-2018-20340: Fixed an unchecked buffer, which could
    allow a buffer overflow with a custom made malicious USB
    device (bsc#1124781).");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1124781");
  script_set_attribute(attribute:"solution", value:
"Update the affected libu2f-host packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/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:P/AC:L/PR:N/UI:N/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:"cvss_score_source", value:"CVE-2018-20340");

  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:"2019/03/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/02/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/02/19");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libu2f-host-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libu2f-host-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libu2f-host0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libu2f-host0-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:u2f-host");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:u2f-host-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.3");
  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) 2019-2024 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 !~ "^(SUSE42\.3)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.3", 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:"SUSE42.3", reference:"libu2f-host-debugsource-1.0.0-5.3.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"libu2f-host-devel-1.0.0-5.3.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"libu2f-host0-1.0.0-5.3.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"libu2f-host0-debuginfo-1.0.0-5.3.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"u2f-host-1.0.0-5.3.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"u2f-host-debuginfo-1.0.0-5.3.1") ) 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, "libu2f-host-debugsource / libu2f-host-devel / libu2f-host0 / etc");
}

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

CVSS3

6.8

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.2

Confidence

High

EPSS

0.002

Percentile

56.6%