SUSE SLED12 / SLES12 Security Update : openssl (SUSE-SU-2017:0461-1)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2017:0461-1.
# The text itself is copyright (C) SUSE.
#

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

if (description)
{
  script_id(97188);
  script_version("3.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2016-2108", "CVE-2016-7056", "CVE-2016-8610", "CVE-2017-3731");

  script_name(english:"SUSE SLED12 / SLES12 Security Update : openssl (SUSE-SU-2017:0461-1)");
  script_summary(english:"Checks rpm output for the updated packages.");

  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 fixes the following issues contained in the
OpenSSL Security Advisory [26 Jan 2017] (bsc#1021641) Security issues
fixed :

  - CVE-2016-7056: A local ECSDA P-256 timing attack that
    might have allowed key recovery was fixed (bsc#1019334)

  - CVE-2016-8610: A remote denial of service in SSL alert
    handling was fixed (bsc#1005878)

  - CVE-2016-2108: Added a missing commit for CVE-2016-2108,
    fixing the negative zero handling in the ASN.1 decoder
    (bsc#1004499)

  - CVE-2017-3731: Truncated packet could crash via OOB read
    (bsc#1022085, CVE-2017-3731)

  - Degrade the 3DES cipher to MEDIUM in SSLv2 (bsc#1001912)
    Bugs fixed :

  - fix crash in openssl speed (bsc#1000677)

  - fix ca-bundle path (bsc#1022271)

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=1000677"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1001912"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1004499"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1005878"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1019334"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1021641"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1022085"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=1022271"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-2108/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-7056/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2016-8610/"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2017-3731/"
  );
  # https://www.suse.com/support/update/announcement/2017/suse-su-20170461-1/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?bd3f3072"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Software Development Kit 12-SP1:zypper in -t
patch SUSE-SLE-SDK-12-SP1-2017-236=1

SUSE Linux Enterprise Server 12-SP1:zypper in -t patch
SUSE-SLE-SERVER-12-SP1-2017-236=1

SUSE Linux Enterprise Desktop 12-SP1:zypper in -t patch
SUSE-SLE-DESKTOP-12-SP1-2017-236=1

To bring your system up-to-date, use 'zypper patch'."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  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:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  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-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:openssl-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/05/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/02/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/02/15");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2021 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/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:"^(1)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP1", os_ver + " SP" + sp);
if (os_ver == "SLED12" && (! preg(pattern:"^(1)$", string:sp))) audit(AUDIT_OS_NOT, "SLED12 SP1", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"1", reference:"libopenssl1_0_0-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libopenssl1_0_0-debuginfo-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libopenssl1_0_0-hmac-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openssl-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openssl-debuginfo-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"openssl-debugsource-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libopenssl1_0_0-32bit-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libopenssl1_0_0-debuginfo-32bit-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLES12", sp:"1", reference:"libopenssl1_0_0-hmac-32bit-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libopenssl1_0_0-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libopenssl1_0_0-32bit-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libopenssl1_0_0-debuginfo-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"libopenssl1_0_0-debuginfo-32bit-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openssl-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openssl-debuginfo-1.0.1i-54.5.1")) flag++;
if (rpm_check(release:"SLED12", sp:"1", cpu:"x86_64", reference:"openssl-debugsource-1.0.1i-54.5.1")) flag++;


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