Debian DLA-2332-2 : sane-backends regression update

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-2332-2. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('compat.inc');

if (description)
{
  script_id(139630);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/02/26");

  script_cve_id(
    "CVE-2020-12862",
    "CVE-2020-12863",
    "CVE-2020-12865",
    "CVE-2020-12867"
  );

  script_name(english:"Debian DLA-2332-2 : sane-backends regression update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"A regression was introduced in DLA-2332-1, where changes in the Debian
package building process triggered a bug in the sane-backends
packages, causing missing files.

For Debian 9 stretch, this problem has been fixed in version
1.0.25-4.1+deb9u2.

We recommend that you upgrade your sane-backends packages.

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

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/2020/10/msg00010.html");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/stretch/sane-backends");
  # https://security-tracker.debian.org/tracker/source-package/sane-backends
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?91e9f264");
  script_set_attribute(attribute:"solution", value:
"Upgrade the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:S/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:A/AC:L/PR:L/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:"cvss_score_source", value:"CVE-2020-12865");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/06/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/10/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/08/18");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libsane");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libsane-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libsane-dbg");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libsane-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:sane-utils");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");
  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) 2020-2024 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:"9.0", prefix:"libsane", reference:"1.0.25-4.1+deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"libsane-common", reference:"1.0.25-4.1+deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"libsane-dbg", reference:"1.0.25-4.1+deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"libsane-dev", reference:"1.0.25-4.1+deb9u2")) flag++;
if (deb_check(release:"9.0", prefix:"sane-utils", reference:"1.0.25-4.1+deb9u2")) 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");