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nessusThis script is Copyright (C) 2018-2022 and is owned by Tenable, Inc. or an Affiliate thereof.CENTOS_RHSA-2018-2921.NASL
HistoryOct 17, 2018 - 12:00 a.m.

CentOS 7 : tomcat (CESA-2018:2921)

2018-10-1700:00:00
This script is Copyright (C) 2018-2022 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
21

An update for tomcat is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.

Security Fix(es) :

  • tomcat: A bug in the UTF-8 decoder can lead to DoS (CVE-2018-1336)

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

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2018:2921 and 
# CentOS Errata and Security Advisory 2018:2921 respectively.
#

include('compat.inc');

if (description)
{
  script_id(118156);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/02/08");

  script_cve_id("CVE-2018-1336");
  script_xref(name:"RHSA", value:"2018:2921");

  script_name(english:"CentOS 7 : tomcat (CESA-2018:2921)");

  script_set_attribute(attribute:"synopsis", value:
"The remote CentOS host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"An update for tomcat is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security
impact of Important. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.

Apache Tomcat is a servlet container for the Java Servlet and
JavaServer Pages (JSP) technologies.

Security Fix(es) :

* tomcat: A bug in the UTF-8 decoder can lead to DoS (CVE-2018-1336)

For more details about the security issue(s), including the impact, a
CVSS score, and other related information, refer to the CVE page(s)
listed in the References section.");
  # https://lists.centos.org/pipermail/centos-announce/2018-October/023067.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?dbddcbdc");
  script_set_attribute(attribute:"solution", value:
"Update the affected tomcat packages.");
  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-2018-1336");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/08/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/10/16");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/10/17");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat-admin-webapps");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat-docs-webapp");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat-el-2.2-api");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat-javadoc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat-jsp-2.2-api");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat-jsvc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat-lib");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat-servlet-3.0-api");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:tomcat-webapps");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:7");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2018-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/CentOS/release");
if (isnull(release) || "CentOS" >!< release) audit(AUDIT_OS_NOT, "CentOS");
os_ver = pregmatch(pattern: "CentOS(?: Linux)? release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "CentOS");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "CentOS 7.x", "CentOS " + os_ver);

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


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


flag = 0;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-7.0.76-8.el7_5")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-admin-webapps-7.0.76-8.el7_5")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-docs-webapp-7.0.76-8.el7_5")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-el-2.2-api-7.0.76-8.el7_5")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-javadoc-7.0.76-8.el7_5")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-jsp-2.2-api-7.0.76-8.el7_5")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-jsvc-7.0.76-8.el7_5")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-lib-7.0.76-8.el7_5")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-servlet-3.0-api-7.0.76-8.el7_5")) flag++;
if (rpm_check(release:"CentOS-7", cpu:"x86_64", reference:"tomcat-webapps-7.0.76-8.el7_5")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc");
}