Debian DLA-2649-1 : cgal 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-2649-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(149261);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/12");

  script_cve_id("CVE-2020-28601", "CVE-2020-28636", "CVE-2020-35628", "CVE-2020-35636");

  script_name(english:"Debian DLA-2649-1 : cgal security 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:
"Four security issues have been discovered in cgal. A code execution
vulnerability exists in the Nef polygon-parsing functionality of CGAL.

CVE-2020-28601

An oob read vulnerability exists in Nef_2/PM_io_parser.h
PM_io_parser::read_vertex() Face_of[] OOB read. An attacker can
provide malicious input to trigger this vulnerability.

CVE-2020-28636

An oob read vulnerability exists in Nef_S2/SNC_io_parser.h
SNC_io_parser::read_sloop() slh->twin() An attacker can provide
malicious input to trigger this vulnerability.

CVE-2020-35628

An oob read vulnerability exists in Nef_S2/SNC_io_parser.h
SNC_io_parser::read_sloop() slh->incident_sface. An attacker can
provide malicious input to trigger this vulnerability.

CVE-2020-35636

An oob read vulnerability exists in Nef_S2/SNC_io_parser.h
SNC_io_parser::read_sface() sfh->volume(). An attacker can provide
malicious input to trigger this vulnerability.

For Debian 9 stretch, these problems have been fixed in version
4.9-1+deb9u1.

We recommend that you upgrade your cgal packages.

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

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/2021/05/msg00002.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/stretch/cgal"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/source-package/cgal"
  );
  script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
  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:"cvss_score_source", value:"CVE-2020-35636");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcgal-demo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcgal-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcgal-ipelets");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcgal-qt5-12");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcgal-qt5-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libcgal12");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/03/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/05/05");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/05/05");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2021-2024 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:"libcgal-demo", reference:"4.9-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libcgal-dev", reference:"4.9-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libcgal-ipelets", reference:"4.9-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libcgal-qt5-12", reference:"4.9-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libcgal-qt5-dev", reference:"4.9-1+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libcgal12", reference:"4.9-1+deb9u1")) 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");