Debian DSA-3739-1 : tomcat8 - 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 DSA-3739. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(96018);
  script_version("3.14");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/05/14");

  script_cve_id(
    "CVE-2016-6816",
    "CVE-2016-8735",
    "CVE-2016-9774",
    "CVE-2016-9775"
  );
  script_xref(name:"DSA", value:"3739");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2023/06/02");

  script_name(english:"Debian DSA-3739-1 : tomcat8 - security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
  script_set_attribute(attribute:"description", value:
"Multiple security vulnerabilities were discovered in the Tomcat
servlet and JSP engine, as well as in its Debian-specific maintainer
scripts. Those flaws allowed for privilege escalation, information
disclosure, and remote code execution.

As part of this update, several regressions stemming from incomplete
fixes for previous vulnerabilities were also fixed.");
  script_set_attribute(attribute:"see_also", value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=802312");
  script_set_attribute(attribute:"see_also", value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845385");
  script_set_attribute(attribute:"see_also", value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=845393");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/jessie/tomcat8");
  script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2016/dsa-3739");
  script_set_attribute(attribute:"solution", value:
"Upgrade the tomcat8 packages.

For the stable distribution (jessie), these problems have been fixed
in version 8.0.14-1+deb8u5.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");

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

  script_set_attribute(attribute:"patch_publication_date", value:"2016/12/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/12/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:tomcat8");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2016-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/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/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"8.0", prefix:"libservlet3.1-java", reference:"8.0.14-1+deb8u5")) flag++;
if (deb_check(release:"8.0", prefix:"libservlet3.1-java-doc", reference:"8.0.14-1+deb8u5")) flag++;
if (deb_check(release:"8.0", prefix:"libtomcat8-java", reference:"8.0.14-1+deb8u5")) flag++;
if (deb_check(release:"8.0", prefix:"tomcat8", reference:"8.0.14-1+deb8u5")) flag++;
if (deb_check(release:"8.0", prefix:"tomcat8-admin", reference:"8.0.14-1+deb8u5")) flag++;
if (deb_check(release:"8.0", prefix:"tomcat8-common", reference:"8.0.14-1+deb8u5")) flag++;
if (deb_check(release:"8.0", prefix:"tomcat8-docs", reference:"8.0.14-1+deb8u5")) flag++;
if (deb_check(release:"8.0", prefix:"tomcat8-examples", reference:"8.0.14-1+deb8u5")) flag++;
if (deb_check(release:"8.0", prefix:"tomcat8-user", reference:"8.0.14-1+deb8u5")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");