Debian DLA-2379-3 : mediawiki regression update

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-2379-3. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(140805);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/11/23");

  script_name(english:"Debian DLA-2379-3 : mediawiki regression update");
  script_summary(english:"Checks dpkg output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis",
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description",
    value:
"The update of mediawiki released as DLA-2379-2 contained a defect in
the patch for CVE-2020-25827 which resulted from a possible use of an
uninitialized variable. Updated mediawiki packages are now available
to correct this issue.

For Debian 9 stretch, this problem has been fixed in version
1:1.27.7-1~deb9u6.

We recommend that you upgrade your mediawiki packages.

For the detailed security status of mediawiki please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/mediawiki

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/2020/11/msg00036.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/stretch/mediawiki"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/source-package/mediawiki"
  );
  script_set_attribute(
    attribute:"solution",
    value:"Upgrade the affected mediawiki, and mediawiki-classes packages."
  );
  script_set_attribute(attribute:"risk_factor", value:"High");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mediawiki");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:mediawiki-classes");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/11/21");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/11/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/09/28");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  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:"9.0", prefix:"mediawiki", reference:"1:1.27.7-1~deb9u6")) flag++;
if (deb_check(release:"9.0", prefix:"mediawiki-classes", reference:"1:1.27.7-1~deb9u6")) 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");