Debian DSA-4645-1 : chromium - 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-4645. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

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

if (description)
{
  script_id(134839);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/21");

  script_cve_id(
    "CVE-2019-20503",
    "CVE-2020-6422",
    "CVE-2020-6424",
    "CVE-2020-6425",
    "CVE-2020-6426",
    "CVE-2020-6427",
    "CVE-2020-6428",
    "CVE-2020-6429",
    "CVE-2020-6449"
  );
  script_xref(name:"DSA", value:"4645");

  script_name(english:"Debian DSA-4645-1 : chromium - security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security-related update.");
  script_set_attribute(attribute:"description", value:
"Several vulnerabilities have been discovered in the chromium web
browser.

  - CVE-2019-20503
    Natalie Silvanovich discovered an out-of-bounds read
    issue in the usrsctp library.

  - CVE-2020-6422
    David Manouchehri discovered a use-after-free issue in
    the WebGL implementation.

  - CVE-2020-6424
    Sergei Glazunov discovered a use-after-free issue.

  - CVE-2020-6425
    Sergei Glazunov discovered a policy enforcement error
    related to extensions.

  - CVE-2020-6426
    Avihay Cohen discovered an implementation error in the
    v8 JavaScript library.

  - CVE-2020-6427
    Man Yue Mo discovered a use-after-free issue in the
    audio implementation.

  - CVE-2020-6428
    Man Yue Mo discovered a use-after-free issue in the
    audio implementation.

  - CVE-2020-6429
    Man Yue Mo discovered a use-after-free issue in the
    audio implementation.

  - CVE-2020-6449
    Man Yue Mo discovered a use-after-free issue in the
    audio implementation.");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-20503");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-6422");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-6424");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-6425");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-6426");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-6427");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-6428");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-6429");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2020-6449");
  script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/chromium");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/chromium");
  script_set_attribute(attribute:"see_also", value:"https://www.debian.org/security/2020/dsa-4645");
  script_set_attribute(attribute:"solution", value:
"Upgrade the chromium packages.

For the oldstable distribution (stretch), security support for
chromium has been discontinued.

For the stable distribution (buster), these problems have been fixed
in version 80.0.3987.149-1~deb10u1.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:R/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-2020-6449");

  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:"2020/03/06");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/03/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/03/24");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:chromium");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
  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:"10.0", prefix:"chromium", reference:"80.0.3987.149-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"chromium-common", reference:"80.0.3987.149-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"chromium-driver", reference:"80.0.3987.149-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"chromium-l10n", reference:"80.0.3987.149-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"chromium-sandbox", reference:"80.0.3987.149-1~deb10u1")) flag++;
if (deb_check(release:"10.0", prefix:"chromium-shell", reference:"80.0.3987.149-1~deb10u1")) 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");