Amazon Linux 2022 : (ALAS2022-2022-055)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux 2022 Security Advisory ALAS2022-2022-055.
##

include('compat.inc');

if (description)
{
  script_id(164739);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/12");

  script_cve_id(
    "CVE-2022-22576",
    "CVE-2022-27774",
    "CVE-2022-27775",
    "CVE-2022-27776"
  );
  script_xref(name:"CEA-ID", value:"CEA-2022-0026");

  script_name(english:"Amazon Linux 2022 :  (ALAS2022-2022-055)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux 2022 host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-055 advisory.

  - An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow
    reuse OAUTH2-authenticated connections without properly making sure that the connection was authenticated
    with the same credentials as set for this transfer. This affects SASL-enabled protocols: SMPTP(S),
    IMAP(S), POP3(S) and LDAP(S) (openldap only). (CVE-2022-22576)

  - An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are
    affected that could allow an attacker to extract credentials when follows HTTP(S) redirects is used with
    authentication could leak credentials to other services that exist on different protocols or port numbers.
    (CVE-2022-27774)

  - An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an
    IPv6 address that was in the connection pool but with a different zone id it could reuse a connection
    instead. (CVE-2022-27775)

  - A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or
    cookie header data on HTTP redirects to the same host but another port number. (CVE-2022-27776)

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://alas.aws.amazon.com/AL2022/ALAS-2022-055.html");
  script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2022-22576.html");
  script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2022-27774.html");
  script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2022-27775.html");
  script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2022-27776.html");
  script_set_attribute(attribute:"solution", value:
"Run 'dnf update --releasever=2022.0.20220504 curl' to update your system.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-22576");

  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:"2022/04/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/05/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/09/06");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:curl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:curl-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:curl-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:curl-minimal");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:curl-minimal-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libcurl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libcurl-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libcurl-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libcurl-minimal");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libcurl-minimal-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux:2022");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}

include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

var release = get_kb_item("Host/AmazonLinux/release");
if (isnull(release) || !strlen(release)) audit(AUDIT_OS_NOT, "Amazon Linux");
var os_ver = pregmatch(pattern: "^AL(A|\d+|-\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
var os_ver = os_ver[1];
if (os_ver != "-2022")
{
  if (os_ver == 'A') os_ver = 'AMI';
  audit(AUDIT_OS_NOT, "Amazon Linux 2022", "Amazon Linux " + os_ver);
}

if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

var pkgs = [
    {'reference':'curl-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-debuginfo-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-debuginfo-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-debuginfo-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-debugsource-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-debugsource-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-debugsource-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-minimal-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-minimal-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-minimal-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-minimal-debuginfo-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-minimal-debuginfo-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'curl-minimal-debuginfo-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-debuginfo-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-debuginfo-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-debuginfo-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-devel-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-devel-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-devel-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-minimal-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-minimal-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-minimal-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-minimal-debuginfo-7.79.1-2.amzn2022', 'cpu':'aarch64', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-minimal-debuginfo-7.79.1-2.amzn2022', 'cpu':'i686', 'release':'AL-2022', 'rpm_spec_vers_cmp':TRUE},
    {'reference':'libcurl-minimal-debuginfo-7.79.1-2.amzn2022', 'cpu':'x86_64', 'release':'AL-2022', '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 = 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, "curl / curl-debuginfo / curl-debugsource / etc");
}