Debian DLA-1748-1 : apache2 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-1748-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(123689);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/06");

  script_cve_id("CVE-2019-0217", "CVE-2019-0220");
  script_xref(name:"CEA-ID", value:"CEA-2019-0203");

  script_name(english:"Debian DLA-1748-1 : apache2 security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"Several vulnerabilities have been found in the Apache HTTP server.

CVE-2019-0217

A race condition in mod_auth_digest when running in a threaded server
could allow a user with valid credentials to authenticate using
another username, bypassing configured access control restrictions.
The issue was discovered by Simon Kappel.

CVE-2019-0220

Bernhard Lorenz of Alpha Strike Labs GmbH reported that URL
normalizations were inconsistently handled. When the path component of
a request URL contains multiple consecutive slashes ('/'), directives
such as LocationMatch and RewriteRule must account for duplicates in
regular expressions while other aspects of the servers processing will
implicitly collapse them.

For Debian 8 'Jessie', these problems have been fixed in version
2.4.10-10+deb8u14.

We recommend that you upgrade your apache2 packages.

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. Tenable has attempted
to automatically clean and format it as much as possible without
introducing additional issues.");
  script_set_attribute(attribute:"see_also", value:"https://lists.debian.org/debian-lts-announce/2019/04/msg00008.html");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/jessie/apache2");
  script_set_attribute(attribute:"solution", value:
"Upgrade the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:S/C:P/I:P/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:H/PR:L/UI:N/S:U/C:H/I:H/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-2019-0217");

  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:"2019/04/08");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/04/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/04/04");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-bin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-data");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-mpm-event");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-mpm-itk");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-mpm-prefork");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-mpm-worker");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-suexec");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-suexec-custom");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-suexec-pristine");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2-utils");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2.2-bin");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:apache2.2-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libapache2-mod-macro");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libapache2-mod-proxy-html");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2019-2024 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:"apache2", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-bin", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-data", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-dbg", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-dev", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-doc", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-mpm-event", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-mpm-itk", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-mpm-prefork", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-mpm-worker", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-suexec", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-suexec-custom", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-suexec-pristine", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2-utils", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2.2-bin", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"apache2.2-common", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"libapache2-mod-macro", reference:"2.4.10-10+deb8u14")) flag++;
if (deb_check(release:"8.0", prefix:"libapache2-mod-proxy-html", reference:"2.4.10-10+deb8u14")) flag++;

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