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nessusThis script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.OPENSUSE-2015-566.NASL
HistorySep 08, 2015 - 12:00 a.m.

openSUSE Security Update : libgcrypt (openSUSE-2015-566)

2015-09-0800:00:00
This script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
18

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.003

Percentile

65.5%

This update fixes two security vulnerabilities (bsc#920057) :

  • Use ciphertext blinding for Elgamal decryption [CVE-2014-3591]. See http://www.cs.tau.ac.il/~tromer/radioexp/ for details.

  • Fixed data-dependent timing variations in modular exponentiation [related to CVE-2015-0837, Last-Level Cache Side-Channel Attacks are Practical]

#%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-2015-566.
#
# The text description of this plugin is (C) SUSE LLC.
#

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

if (description)
{
  script_id(85835);
  script_version("2.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2014-3591", "CVE-2015-0837");

  script_name(english:"openSUSE Security Update : libgcrypt (openSUSE-2015-566)");
  script_summary(english:"Check for the openSUSE-2015-566 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update fixes two security vulnerabilities (bsc#920057) :

  - Use ciphertext blinding for Elgamal decryption
    [CVE-2014-3591]. See
    http://www.cs.tau.ac.il/~tromer/radioexp/ for details.

  - Fixed data-dependent timing variations in modular
    exponentiation [related to CVE-2015-0837, Last-Level
    Cache Side-Channel Attacks are Practical]"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.cs.tau.ac.il/~tromer/radioexp/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=920057"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected libgcrypt packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt-cavs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt-cavs-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt-devel-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt-devel-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt-devel-debuginfo-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt11");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt11-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt11-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt11-debuginfo-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt20");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt20-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt20-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt20-debuginfo-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt20-hmac");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libgcrypt20-hmac-32bit");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:13.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:13.2");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/11/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/08/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/09/08");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"SuSE Local Security Checks");

  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 !~ "^(SUSE13\.1|SUSE13\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "13.1 / 13.2", 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 !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE13.1", reference:"libgcrypt-debugsource-1.5.4-2.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"libgcrypt-devel-1.5.4-2.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"libgcrypt-devel-debuginfo-1.5.4-2.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"libgcrypt11-1.5.4-2.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", reference:"libgcrypt11-debuginfo-1.5.4-2.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"libgcrypt-devel-32bit-1.5.4-2.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"libgcrypt-devel-debuginfo-32bit-1.5.4-2.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"libgcrypt11-32bit-1.5.4-2.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.1", cpu:"x86_64", reference:"libgcrypt11-debuginfo-32bit-1.5.4-2.8.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libgcrypt-cavs-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libgcrypt-cavs-debuginfo-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libgcrypt-debugsource-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libgcrypt-devel-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libgcrypt-devel-debuginfo-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libgcrypt20-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libgcrypt20-debuginfo-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", reference:"libgcrypt20-hmac-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"libgcrypt-devel-32bit-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"libgcrypt-devel-debuginfo-32bit-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"libgcrypt20-32bit-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"libgcrypt20-debuginfo-32bit-1.6.1-8.6.1") ) flag++;
if ( rpm_check(release:"SUSE13.2", cpu:"x86_64", reference:"libgcrypt20-hmac-32bit-1.6.1-8.6.1") ) 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, "libgcrypt-debugsource / libgcrypt-devel / libgcrypt-devel-32bit / etc");
}

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.003

Percentile

65.5%