Ubuntu: Security Advisory (USN-4408-1)

# SPDX-FileCopyrightText: 2020 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.844488");
  script_cve_id("CVE-2020-12415", "CVE-2020-12416", "CVE-2020-12417", "CVE-2020-12418", "CVE-2020-12419", "CVE-2020-12420", "CVE-2020-12421", "CVE-2020-12422", "CVE-2020-12424", "CVE-2020-12425", "CVE-2020-12426");
  script_tag(name:"creation_date", value:"2020-07-03 03:01:52 +0000 (Fri, 03 Jul 2020)");
  script_version("2024-02-02T05:06:07+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:07 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"9.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-07-15 18:27:25 +0000 (Wed, 15 Jul 2020)");

  script_name("Ubuntu: Security Advisory (USN-4408-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Ubuntu Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/ubuntu_linux", "ssh/login/packages", re:"ssh/login/release=UBUNTU(16\.04\ LTS|18\.04\ LTS|19\.10|20\.04\ LTS)");

  script_xref(name:"Advisory-ID", value:"USN-4408-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-4408-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'firefox' package(s) announced via the USN-4408-1 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, obtain sensitive
information, bypass permission prompts, or execute arbitrary code.
(CVE-2020-12415, CVE-2020-12416, CVE-2020-12417, CVE-2020-12418,
CVE-2020-12419, CVE-2020-12420, CVE-2020-12422, CVE-2020-12424,
CVE-2020-12425, CVE-2020-12426)

It was discovered that when performing add-on updates, certificate chains
not terminating with built-in roots were silently rejected. This could
result in add-ons becoming outdated. (CVE-2020-12421)");

  script_tag(name:"affected", value:"'firefox' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 19.10, Ubuntu 20.04.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-deb.inc");

release = dpkg_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "UBUNTU16.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"firefox", ver:"78.0.1+build1-0ubuntu0.16.04.1", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU18.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"firefox", ver:"78.0.1+build1-0ubuntu0.18.04.1", rls:"UBUNTU18.04 LTS"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU19.10") {

  if(!isnull(res = isdpkgvuln(pkg:"firefox", ver:"78.0.1+build1-0ubuntu0.19.10.1", rls:"UBUNTU19.10"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

if(release == "UBUNTU20.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"firefox", ver:"78.0.1+build1-0ubuntu0.20.04.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);