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nessusThis script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.ROCKY_LINUX_RLSA-2020-0348.NASL
HistoryNov 06, 2023 - 12:00 a.m.

Rocky Linux 8 : container-tools:rhel8 (RLSA-2020:0348)

2023-11-0600:00:00
This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
7
rocky linux 8
rlsa-2020:0348
vulnerabilities
libslirp
qemu
cve-2019-15890
cve-2020-7039
dos
execute arbitrary code
nessus
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8.3 High

AI Score

Confidence

Low

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2020:0348 advisory.

  • libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c. (CVE-2019-15890)

  • tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code. (CVE-2020-7039)

Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The package checks in this plugin were extracted from
# Rocky Linux Security Advisory RLSA-2020:0348.
##

include('compat.inc');

if (description)
{
  script_id(184510);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/06");

  script_cve_id("CVE-2019-15890", "CVE-2020-7039");
  script_xref(name:"RLSA", value:"2020:0348");

  script_name(english:"Rocky Linux 8 : container-tools:rhel8 (RLSA-2020:0348)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Rocky Linux host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the
RLSA-2020:0348 advisory.

  - libslirp 4.0.0, as used in QEMU 4.1.0, has a use-after-free in ip_reass in ip_input.c. (CVE-2019-15890)

  - tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC
    DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which
    can lead to a DoS or potential execute arbitrary code. (CVE-2020-7039)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://errata.rockylinux.org/RLSA-2020:0348");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1731747");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1732280");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1732811");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1752599");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1779787");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1779789");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1783277");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1783278");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1783279");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1783280");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1783281");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1787523");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1787524");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1791551");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-7039");

  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:"2019/09/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/02/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/11/06");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:cockpit-podman");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:container-selinux");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:containernetworking-plugins");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:containernetworking-plugins-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:containernetworking-plugins-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:podman");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:podman-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:podman-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:podman-docker");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:podman-remote");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:podman-remote-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:podman-tests");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:python-podman-api");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:udica");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:rocky:linux:8");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Rocky Linux Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RockyLinux/release", "Host/RockyLinux/rpm-list", "Host/cpu");

  exit(0);
}


include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RockyLinux/release');
if (isnull(os_release) || 'Rocky Linux' >!< os_release) audit(AUDIT_OS_NOT, 'Rocky Linux');
var os_ver = pregmatch(pattern: "Rocky(?: Linux)? release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Rocky Linux');
os_ver = os_ver[1];
if (! preg(pattern:"^8([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, 'Rocky Linux 8.x', 'Rocky Linux ' + os_ver);

if (!get_kb_item('Host/RockyLinux/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Rocky Linux', cpu);

var pkgs = [
    {'reference':'cockpit-podman-11-1.module+el8.4.0+559+c02fa3b2', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE, 'allowmaj':TRUE},
    {'reference':'cockpit-podman-11-1.module+el8.5.0+708+6758137d', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'allowmaj':TRUE},
    {'reference':'cockpit-podman-11-1.module+el8.5.0+770+e2f49861', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE, 'allowmaj':TRUE},
    {'reference':'container-selinux-2.124.0-1.gitf958d0c.module+el8.5.0+681+c9a1951f', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'2'},
    {'reference':'containernetworking-plugins-0.8.3-4.module+el8.4.0+559+c02fa3b2', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-0.8.3-4.module+el8.4.0+559+c02fa3b2', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-0.8.3-4.module+el8.5.0+708+6758137d', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-0.8.3-4.module+el8.5.0+708+6758137d', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-0.8.3-4.module+el8.5.0+770+e2f49861', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-0.8.3-4.module+el8.5.0+770+e2f49861', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debuginfo-0.8.3-4.module+el8.4.0+559+c02fa3b2', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debuginfo-0.8.3-4.module+el8.4.0+559+c02fa3b2', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debuginfo-0.8.3-4.module+el8.5.0+708+6758137d', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debuginfo-0.8.3-4.module+el8.5.0+708+6758137d', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debuginfo-0.8.3-4.module+el8.5.0+770+e2f49861', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debuginfo-0.8.3-4.module+el8.5.0+770+e2f49861', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debugsource-0.8.3-4.module+el8.4.0+559+c02fa3b2', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debugsource-0.8.3-4.module+el8.4.0+559+c02fa3b2', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debugsource-0.8.3-4.module+el8.5.0+708+6758137d', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debugsource-0.8.3-4.module+el8.5.0+708+6758137d', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debugsource-0.8.3-4.module+el8.5.0+770+e2f49861', 'cpu':'aarch64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'containernetworking-plugins-debugsource-0.8.3-4.module+el8.5.0+770+e2f49861', 'cpu':'x86_64', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-debuginfo-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-debuginfo-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-debugsource-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-debugsource-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-docker-1.6.4-28.module+el8.5.0+770+e2f49861', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-remote-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-remote-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-remote-debuginfo-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-remote-debuginfo-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-tests-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'podman-tests-1.6.4-28.module+el8.5.0+770+e2f49861', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'python-podman-api-1.2.0-0.2.gitd0a45fe.module+el8.4.0+559+c02fa3b2', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'python-podman-api-1.2.0-0.2.gitd0a45fe.module+el8.5.0+708+6758137d', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'python-podman-api-1.2.0-0.2.gitd0a45fe.module+el8.5.0+770+e2f49861', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'udica-0.2.1-2.module+el8.4.0+559+c02fa3b2', 'release':'8', 'el_string':'el8.4.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'udica-0.2.1-2.module+el8.5.0+708+6758137d', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'udica-0.2.1-2.module+el8.5.0+770+e2f49861', 'release':'8', 'el_string':'el8.5.0', 'rpm_spec_vers_cmp':TRUE}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var reference = NULL;
  var _release = NULL;
  var sp = NULL;
  var _cpu = NULL;
  var el_string = NULL;
  var rpm_spec_vers_cmp = NULL;
  var epoch = NULL;
  var allowmaj = NULL;
  var exists_check = NULL;
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (!empty_or_null(package_array['release'])) _release = 'Rocky-' + package_array['release'];
  if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
  if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
  if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
  if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
  if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
  if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
  if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
  if (reference && _release && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
    if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
  }
}

if (flag)
{
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'cockpit-podman / container-selinux / containernetworking-plugins / etc');
}
VendorProductVersionCPE
rockylinuxcockpit-podmanp-cpe:/a:rocky:linux:cockpit-podman
rockylinuxcontainer-selinuxp-cpe:/a:rocky:linux:container-selinux
rockylinuxcontainernetworking-pluginsp-cpe:/a:rocky:linux:containernetworking-plugins
rockylinuxcontainernetworking-plugins-debuginfop-cpe:/a:rocky:linux:containernetworking-plugins-debuginfo
rockylinuxcontainernetworking-plugins-debugsourcep-cpe:/a:rocky:linux:containernetworking-plugins-debugsource
rockylinuxpodmanp-cpe:/a:rocky:linux:podman
rockylinuxpodman-debuginfop-cpe:/a:rocky:linux:podman-debuginfo
rockylinuxpodman-debugsourcep-cpe:/a:rocky:linux:podman-debugsource
rockylinuxpodman-dockerp-cpe:/a:rocky:linux:podman-docker
rockylinuxpodman-remotep-cpe:/a:rocky:linux:podman-remote
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