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nessusThis script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.ROCKY_LINUX_RLSA-2021-4270.NASL
HistoryNov 06, 2023 - 12:00 a.m.

Rocky Linux 8 : rust-toolset:rhel8 (RLSA-2021:4270)

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
vulnerability
rust
ip address
access control
cve-2021-29922
nessus scanner

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

Low

0.005 Low

EPSS

Percentile

76.3%

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:4270 advisory.

  • library/std/src/net/parser.rs in Rust before 1.53.0 does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses, because of unexpected octal interpretation. (CVE-2021-29922)

Note that Nessus has not tested for this issue 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-2021:4270.
##

include('compat.inc');

if (description)
{
  script_id(184604);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/06");

  script_cve_id("CVE-2021-29922");
  script_xref(name:"RLSA", value:"2021:4270");

  script_name(english:"Rocky Linux 8 : rust-toolset:rhel8 (RLSA-2021:4270)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Rocky Linux host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the
RLSA-2021:4270 advisory.

  - library/std/src/net/parser.rs in Rust before 1.53.0 does not properly consider extraneous zero characters
    at the beginning of an IP address string, which (in some situations) allows attackers to bypass access
    control that is based on IP addresses, because of unexpected octal interpretation. (CVE-2021-29922)

Note that Nessus has not tested for this issue 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-2021:4270");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=1991962");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/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:L/PR:N/UI:N/S:U/C:N/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-2021-29922");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/08/07");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/11/09");
  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:cargo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:cargo-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:cargo-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:clippy");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:clippy-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rls");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rls-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-analysis");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-debugger-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-gdb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-lldb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-src");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-std-static");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-std-static-wasm32-unknown-unknown");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rust-toolset");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rustfmt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:rocky:linux:rustfmt-debuginfo");
  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':'cargo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'cargo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'cargo-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'cargo-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'cargo-doc-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'clippy-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'clippy-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'clippy-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'clippy-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rls-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rls-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rls-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rls-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-analysis-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-analysis-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-debugger-common-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-debugsource-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-debugsource-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-doc-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-doc-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-gdb-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-lldb-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-src-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-std-static-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-std-static-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-std-static-wasm32-unknown-unknown-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-std-static-wasm32-unknown-unknown-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-toolset-1.54.0-1.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rust-toolset-1.54.0-1.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rustfmt-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rustfmt-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rustfmt-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'rustfmt-debuginfo-1.54.0-2.module+el8.5.0+678+cf7bc64b', 'cpu':'x86_64', 'release':'8', '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, 'cargo / cargo-debuginfo / cargo-doc / clippy / clippy-debuginfo / etc');
}
VendorProductVersionCPE
rockylinuxcargop-cpe:/a:rocky:linux:cargo
rockylinuxcargo-debuginfop-cpe:/a:rocky:linux:cargo-debuginfo
rockylinuxcargo-docp-cpe:/a:rocky:linux:cargo-doc
rockylinuxclippyp-cpe:/a:rocky:linux:clippy
rockylinuxclippy-debuginfop-cpe:/a:rocky:linux:clippy-debuginfo
rockylinuxrlsp-cpe:/a:rocky:linux:rls
rockylinuxrls-debuginfop-cpe:/a:rocky:linux:rls-debuginfo
rockylinuxrustp-cpe:/a:rocky:linux:rust
rockylinuxrust-analysisp-cpe:/a:rocky:linux:rust-analysis
rockylinuxrust-debugger-commonp-cpe:/a:rocky:linux:rust-debugger-common
Rows per page:
1-10 of 221

6.4 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

AI Score

Confidence

Low

0.005 Low

EPSS

Percentile

76.3%