RHEL 7 : rust-toolset-1.54-rust (RHSA-2021:4694)

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2021:4694. The text
# itself is copyright (C) Red Hat, Inc.
##

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

if (description)
{
  script_id(155378);
  script_version("1.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/04");

  script_cve_id("CVE-2021-42574");
  script_xref(name:"RHSA", value:"2021:4694");
  script_xref(name:"IAVA", value:"2021-A-0528");

  script_name(english:"RHEL 7 : rust-toolset-1.54-rust (RHSA-2021:4694)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing a security update for rust-toolset-1.54-rust.");
  script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in
the RHSA-2021:4694 advisory.

    Rust Toolset provides the Rust programming language compiler rustc, the cargo build tool and dependency
    manager, and required libraries.

    Security Fix(es):

    * Developer environment: Unicode's bidirectional (BiDi) override characters can cause trojan source
    attacks (CVE-2021-42574)

    The following changes were introduced in rust in order to facilitate detection of BiDi Unicode characters:

    Rust introduces two new lints to detect and reject code containing the affected codepoints. These new
    deny-by-default lints detect affected codepoints in string literals and comments. The lints will prevent
    source code file containing these codepoints from being compiled. If your code has legitimate uses for the
    codepoints we recommend replacing them with the related escape sequence. The error messages will suggest
    the right escapes to use.

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and
    other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://access.redhat.com/security/data/csaf/v2/advisories/2021/rhsa-2021_4694.json
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?305b2fa7");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/updates/classification/#moderate");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/vulnerabilities/RHSB-2021-007");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2021:4694");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2005819");
  script_set_attribute(attribute:"solution", value:
"Update the RHEL rust-toolset-1.54-rust package based on the guidance in RHSA-2021:4694.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-42574");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_cwe_id(838);
  script_set_attribute(attribute:"vendor_severity", value:"Moderate");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/11/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/11/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/11/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:7");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-cargo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-cargo-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-clippy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rls");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rust");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rust-analysis");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rust-debugger-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rust-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rust-gdb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rust-lldb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rust-src");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rust-std-static");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rust-toolset-1.54-rustfmt");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Red Hat Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include('rpm.inc');
include('rhel.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release(operator: 'ge', os_version: os_ver, rhel_version: '7')) audit(AUDIT_OS_NOT, 'Red Hat 7.x', 'Red Hat ' + os_ver);

if (!get_kb_item('Host/RedHat/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 && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);

var constraints = [
  {
    'repo_relative_urls': [
      'content/dist/rhel/power-le/7/7Server/ppc64le/devtools/1/debug',
      'content/dist/rhel/power-le/7/7Server/ppc64le/devtools/1/os',
      'content/dist/rhel/power-le/7/7Server/ppc64le/devtools/1/source/SRPMS',
      'content/dist/rhel/power/7/7Server/ppc64/devtools/1/debug',
      'content/dist/rhel/power/7/7Server/ppc64/devtools/1/os',
      'content/dist/rhel/power/7/7Server/ppc64/devtools/1/source/SRPMS',
      'content/dist/rhel/server/7/7Server/x86_64/devtools/1/debug',
      'content/dist/rhel/server/7/7Server/x86_64/devtools/1/os',
      'content/dist/rhel/server/7/7Server/x86_64/devtools/1/source/SRPMS',
      'content/dist/rhel/system-z/7/7Server/s390x/devtools/1/debug',
      'content/dist/rhel/system-z/7/7Server/s390x/devtools/1/os',
      'content/dist/rhel/system-z/7/7Server/s390x/devtools/1/source/SRPMS',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/devtools/1/debug',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/devtools/1/os',
      'content/dist/rhel/workstation/7/7Workstation/x86_64/devtools/1/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'rust-toolset-1.54-cargo-1.54.0-4.el7_9', 'cpu':'ppc64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-cargo-1.54.0-4.el7_9', 'cpu':'ppc64le', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-cargo-1.54.0-4.el7_9', 'cpu':'s390x', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-cargo-1.54.0-4.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-cargo-doc-1.54.0-4.el7_9', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-clippy-1.54.0-4.el7_9', 'cpu':'ppc64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-clippy-1.54.0-4.el7_9', 'cpu':'ppc64le', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-clippy-1.54.0-4.el7_9', 'cpu':'s390x', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-clippy-1.54.0-4.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rls-1.54.0-4.el7_9', 'cpu':'ppc64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rls-1.54.0-4.el7_9', 'cpu':'ppc64le', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rls-1.54.0-4.el7_9', 'cpu':'s390x', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rls-1.54.0-4.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-1.54.0-4.el7_9', 'cpu':'ppc64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-1.54.0-4.el7_9', 'cpu':'ppc64le', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-1.54.0-4.el7_9', 'cpu':'s390x', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-1.54.0-4.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-analysis-1.54.0-4.el7_9', 'cpu':'ppc64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-analysis-1.54.0-4.el7_9', 'cpu':'ppc64le', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-analysis-1.54.0-4.el7_9', 'cpu':'s390x', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-analysis-1.54.0-4.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-debugger-common-1.54.0-4.el7_9', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-doc-1.54.0-4.el7_9', 'cpu':'ppc64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-doc-1.54.0-4.el7_9', 'cpu':'ppc64le', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-doc-1.54.0-4.el7_9', 'cpu':'s390x', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-doc-1.54.0-4.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-gdb-1.54.0-4.el7_9', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-lldb-1.54.0-4.el7_9', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-src-1.54.0-4.el7_9', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-std-static-1.54.0-4.el7_9', 'cpu':'ppc64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-std-static-1.54.0-4.el7_9', 'cpu':'ppc64le', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-std-static-1.54.0-4.el7_9', 'cpu':'s390x', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rust-std-static-1.54.0-4.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rustfmt-1.54.0-4.el7_9', 'cpu':'ppc64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rustfmt-1.54.0-4.el7_9', 'cpu':'ppc64le', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rustfmt-1.54.0-4.el7_9', 'cpu':'s390x', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'rust-toolset-1.54-rustfmt-1.54.0-4.el7_9', 'cpu':'x86_64', 'release':'7', 'el_string':'el7_9', 'rpm_spec_vers_cmp':TRUE}
    ]
  }
];

var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);

var flag = 0;
foreach var constraint_array ( constraints ) {
  var repo_relative_urls = NULL;
  if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
  foreach var pkg ( constraint_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;
    var cves = NULL;
    if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
    if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
    if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
    if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
    if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
    if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
    if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
    if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
    if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
    if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
    if (reference &&
        _release &&
        rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
        (applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&
        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, cves:cves)) flag++;
  }
}

if (flag)
{
  var extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'rust-toolset-1.54-cargo / rust-toolset-1.54-cargo-doc / etc');
}