SUSE SLED15 / SLES15 Security Update : ruby-bundled-gems-rpmhelper, ruby2.5 (SUSE-SU-2019:1804-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2019:1804-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(126617);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/19");

  script_cve_id(
    "CVE-2017-17742",
    "CVE-2018-6914",
    "CVE-2018-8777",
    "CVE-2018-8778",
    "CVE-2018-8779",
    "CVE-2018-8780",
    "CVE-2018-16395",
    "CVE-2018-16396",
    "CVE-2018-1000073",
    "CVE-2018-1000074",
    "CVE-2018-1000075",
    "CVE-2018-1000076",
    "CVE-2018-1000077",
    "CVE-2018-1000078",
    "CVE-2018-1000079",
    "CVE-2019-8320",
    "CVE-2019-8321",
    "CVE-2019-8322",
    "CVE-2019-8323",
    "CVE-2019-8324",
    "CVE-2019-8325"
  );

  script_name(english:"SUSE SLED15 / SLES15 Security Update : ruby-bundled-gems-rpmhelper, ruby2.5 (SUSE-SU-2019:1804-1)");

  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 ruby2.5 and ruby-bundled-gems-rpmhelper fixes the
following issues :

Changes in ruby2.5 :

Update to 2.5.5 and 2.5.4 :

https://www.ruby-lang.org/en/news/2019/03/15/ruby-2-5-5-released/
https://www.ruby-lang.org/en/news/2019/03/13/ruby-2-5-4-released/

Security issues fixed :

CVE-2019-8320: Delete directory using symlink when decompressing tar
(bsc#1130627)

CVE-2019-8321: Escape sequence injection vulnerability in verbose
(bsc#1130623)

CVE-2019-8322: Escape sequence injection vulnerability in gem owner
(bsc#1130622)

CVE-2019-8323: Escape sequence injection vulnerability in API response
handling (bsc#1130620)

CVE-2019-8324: Installing a malicious gem may lead to arbitrary code
execution (bsc#1130617)

CVE-2019-8325: Escape sequence injection vulnerability in errors
(bsc#1130611)

Ruby 2.5 was updated to 2.5.3 :

This release includes some bug fixes and some security fixes.

Security issues fixed: CVE-2018-16396: Tainted flags are not
propagated in Array#pack and String#unpack with some directives
(bsc#1112532)

CVE-2018-16395: OpenSSL::X509::Name equality check does not work
correctly (bsc#1112530)

Ruby 2.5 was updated to 2.5.1 :

This release includes some bug fixes and some security fixes.

Security issues fixed: CVE-2017-17742: HTTP response splitting in
WEBrick (bsc#1087434)

CVE-2018-6914: Unintentional file and directory creation with
directory traversal in tempfile and tmpdir (bsc#1087441)

CVE-2018-8777: DoS by large request in WEBrick (bsc#1087436)

CVE-2018-8778: Buffer under-read in String#unpack (bsc#1087433)

CVE-2018-8779: Unintentional socket creation by poisoned NUL byte in
UNIXServer and UNIXSocket (bsc#1087440)

CVE-2018-8780: Unintentional directory traversal by poisoned NUL byte
in Dir (bsc#1087437)

Multiple vulnerabilities in RubyGems were fixed :

  - CVE-2018-1000079: Fixed path traversal issue during gem
    installation allows to write to arbitrary filesystem
    locations (bsc#1082058)

  - CVE-2018-1000075: Fixed infinite loop vulnerability due
    to negative size in tar header causes Denial of Service
    (bsc#1082014)

  - CVE-2018-1000078: Fixed XSS vulnerability in homepage
    attribute when displayed via gem server (bsc#1082011)

  - CVE-2018-1000077: Fixed that missing URL validation on
    spec home attribute allows malicious gem to set an
    invalid homepage URL (bsc#1082010)

  - CVE-2018-1000076: Fixed improper verification of
    signatures in tarball allows to install mis-signed gem
    (bsc#1082009)

  - CVE-2018-1000074: Fixed unsafe Object Deserialization
    Vulnerability in gem owner allowing arbitrary code
    execution on specially crafted YAML (bsc#1082008)

  - CVE-2018-1000073: Fixed path traversal when writing to a
    symlinked basedir outside of the root (bsc#1082007)

Other changes: Fixed Net::POPMail methods modify frozen literal when
using default arg

ruby: change over of the Japanese Era to the new emperor May 1st 2019
(bsc#1133790)

build with PIE support (bsc#1130028)

Changes in ruby-bundled-gems-rpmhelper: Add a new helper for bundled
ruby gems.

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=1082007");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1082008");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1082009");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1082010");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1082011");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1082014");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1082058");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1087433");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1087434");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1087436");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1087437");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1087440");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1087441");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1112530");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1112532");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1130028");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1130611");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1130617");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1130620");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1130622");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1130623");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1130627");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1133790");
  script_set_attribute(attribute:"see_also", value:"https://www.ruby-lang.org/en/news/2019/03/13/ruby-2-5-4-released/");
  script_set_attribute(attribute:"see_also", value:"https://www.ruby-lang.org/en/news/2019/03/15/ruby-2-5-5-released/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2017-17742/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-1000073/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-1000074/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-1000075/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-1000076/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-1000077/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-1000078/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-1000079/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-16395/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-16396/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-6914/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-8777/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-8778/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-8779/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2018-8780/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-8320/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-8321/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-8322/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-8323/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-8324/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-8325/");
  # https://www.suse.com/support/update/announcement/2019/suse-su-20191804-1/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f388fbfb");
  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 Module for Open Buildservice Development Tools
15-SP1:zypper in -t patch
SUSE-SLE-Module-Development-Tools-OBS-15-SP1-2019-1804=1

SUSE Linux Enterprise Module for Open Buildservice Development Tools
15:zypper in -t patch
SUSE-SLE-Module-Development-Tools-OBS-15-2019-1804=1

SUSE Linux Enterprise Module for Basesystem 15-SP1:zypper in -t patch
SUSE-SLE-Module-Basesystem-15-SP1-2019-1804=1

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch
SUSE-SLE-Module-Basesystem-15-2019-1804=1");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/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:"cvss_score_source", value:"CVE-2019-8320");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2018-16395");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/03/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/07/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/07/11");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libruby2_5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:libruby2_5-2_5-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-devel-extra");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-stdlib");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:ruby2.5-stdlib-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:15");
  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) 2019-2022 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:"^(SLED15|SLES15)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED15 / SLES15", "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 == "SLES15" && (! preg(pattern:"^(0|1)$", string:sp))) audit(AUDIT_OS_NOT, "SLES15 SP0/1", os_ver + " SP" + sp);
if (os_ver == "SLED15" && (! preg(pattern:"^(0|1)$", string:sp))) audit(AUDIT_OS_NOT, "SLED15 SP0/1", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES15", sp:"1", reference:"libruby2_5-2_5-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"libruby2_5-2_5-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ruby2.5-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ruby2.5-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ruby2.5-debugsource-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ruby2.5-devel-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ruby2.5-devel-extra-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ruby2.5-doc-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ruby2.5-stdlib-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"1", reference:"ruby2.5-stdlib-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"libruby2_5-2_5-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"libruby2_5-2_5-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"ruby2.5-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"ruby2.5-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"ruby2.5-debugsource-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"ruby2.5-devel-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"ruby2.5-devel-extra-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"ruby2.5-doc-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"ruby2.5-stdlib-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLES15", sp:"0", reference:"ruby2.5-stdlib-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"libruby2_5-2_5-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"libruby2_5-2_5-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-debugsource-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-devel-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-devel-extra-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-doc-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-stdlib-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"1", reference:"ruby2.5-stdlib-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"libruby2_5-2_5-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"libruby2_5-2_5-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"ruby2.5-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"ruby2.5-debuginfo-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"ruby2.5-debugsource-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"ruby2.5-devel-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"ruby2.5-devel-extra-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"ruby2.5-doc-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"ruby2.5-stdlib-2.5.5-4.3.1")) flag++;
if (rpm_check(release:"SLED15", sp:"0", reference:"ruby2.5-stdlib-debuginfo-2.5.5-4.3.1")) flag++;


if (flag)
{
  set_kb_item(name:'www/0/XSS', value:TRUE);
  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, "ruby-bundled-gems-rpmhelper / ruby2.5");
}