Debian DLA-2768-1 : uwsgi - LTS security update

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory dla-2768. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(153843);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/01/26");

  script_cve_id("CVE-2021-36160");
  script_xref(name:"IAVA", value:"2021-A-0440-S");

  script_name(english:"Debian DLA-2768-1 : uwsgi - LTS security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
  script_set_attribute(attribute:"description", value:
"The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-2768
advisory.

  - A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and
    crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive). (CVE-2021-36160)

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://security-tracker.debian.org/tracker/source-package/uwsgi");
  script_set_attribute(attribute:"see_also", value:"https://www.debian.org/lts/security/2021/dla-2768");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-36160");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/stretch/uwsgi");
  script_set_attribute(attribute:"solution", value:
"Upgrade the uwsgi packages.

For Debian 9 stretch, this problem has been fixed in version 2.0.14+20161117-3+deb9u4.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/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:L/PR:N/UI:N/S:U/C:N/I:N/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-2021-36160");

  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:"2021/09/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/10/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/10/02");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libapache2-mod-proxy-uwsgi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libapache2-mod-proxy-uwsgi-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libapache2-mod-ruwsgi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libapache2-mod-ruwsgi-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libapache2-mod-uwsgi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libapache2-mod-uwsgi-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:python-uwsgidecorators");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:python3-uwsgidecorators");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-app-integration-plugins");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-emperor");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-extra");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-infrastructure-plugins");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-mongodb-plugins");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-alarm-curl");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-alarm-xmpp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-asyncio-python");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-asyncio-python3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-curl-cron");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-emperor-pg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-fiber");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-gccgo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-geoip");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-gevent-python");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-glusterfs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-graylog2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-greenlet-python");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-jvm-openjdk-8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-jwsgi-openjdk-8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-ldap");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-lua5.1");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-lua5.2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-luajit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-mono");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-php");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-psgi");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-python");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-python3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-rack-ruby2.3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-rados");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-rbthreads");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-ring-openjdk-8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-router-access");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-servlet-openjdk-8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-sqlite3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-tornado-python");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-v8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugin-xslt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-plugins-all");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:uwsgi-src");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2021-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}

include('audit.inc');
include('debian_package.inc');

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);

var release = get_kb_item('Host/Debian/release');
if ( isnull(release) ) audit(AUDIT_OS_NOT, 'Debian');
var release = chomp(release);
if (! preg(pattern:"^(9)\.[0-9]+", string:release)) audit(AUDIT_OS_NOT, 'Debian 9.0', 'Debian ' + release);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Debian', cpu);

var pkgs = [
    {'release': '9.0', 'prefix': 'libapache2-mod-proxy-uwsgi', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'libapache2-mod-proxy-uwsgi-dbg', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'libapache2-mod-ruwsgi', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'libapache2-mod-ruwsgi-dbg', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'libapache2-mod-uwsgi', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'libapache2-mod-uwsgi-dbg', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'python-uwsgidecorators', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'python3-uwsgidecorators', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-app-integration-plugins', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-core', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-dbg', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-emperor', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-extra', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-infrastructure-plugins', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-mongodb-plugins', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-alarm-curl', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-alarm-xmpp', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-asyncio-python', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-asyncio-python3', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-curl-cron', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-emperor-pg', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-fiber', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-gccgo', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-geoip', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-gevent-python', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-glusterfs', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-graylog2', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-greenlet-python', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-jvm-openjdk-8', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-jwsgi-openjdk-8', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-ldap', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-lua5.1', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-lua5.2', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-luajit', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-mono', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-php', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-psgi', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-python', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-python3', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-rack-ruby2.3', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-rados', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-rbthreads', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-ring-openjdk-8', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-router-access', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-servlet-openjdk-8', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-sqlite3', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-tornado-python', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-v8', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugin-xslt', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-plugins-all', 'reference': '2.0.14+20161117-3+deb9u4'},
    {'release': '9.0', 'prefix': 'uwsgi-src', 'reference': '2.0.14+20161117-3+deb9u4'}
];

var flag = 0;
foreach package_array ( pkgs ) {
  var release = NULL;
  var prefix = NULL;
  var reference = NULL;
  if (!empty_or_null(package_array['release'])) release = package_array['release'];
  if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];
  if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
  if (release && prefix && reference) {
    if (deb_check(release:release, prefix:prefix, reference:reference)) flag++;
  }
}

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : deb_report_get()
  );
  exit(0);
}
else
{
  var tested = deb_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'libapache2-mod-proxy-uwsgi / libapache2-mod-proxy-uwsgi-dbg / etc');
}