Ubuntu: Security Advisory (USN-6277-1)

# SPDX-FileCopyrightText: 2023 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("1.3.6.1.4.1.25623.1.1.12.2023.6277.1");
  script_cve_id("CVE-2014-5011", "CVE-2014-5012", "CVE-2014-5013", "CVE-2021-3838", "CVE-2022-2400");
  script_tag(name:"creation_date", value:"2023-08-09 04:08:45 +0000 (Wed, 09 Aug 2023)");
  script_version("2024-02-02T05:06:10+0000");
  script_tag(name:"last_modification", value:"2024-02-02 05:06:10 +0000 (Fri, 02 Feb 2024)");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  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:"2020-01-13 21:00:48 +0000 (Mon, 13 Jan 2020)");

  script_name("Ubuntu: Security Advisory (USN-6277-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2023 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|20\.04\ LTS)");

  script_xref(name:"Advisory-ID", value:"USN-6277-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-6277-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'php-dompdf' package(s) announced via the USN-6277-1 advisory.");

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

  script_tag(name:"insight", value:"It was discovered that Dompdf was not properly validating untrusted input when
processing HTML content under certain circumstances. An attacker could
possibly use this issue to expose sensitive information or execute arbitrary
code. This issue only affected Ubuntu 16.04 LTS.
(CVE-2014-5011, CVE-2014-5012, CVE-2014-5013)

It was discovered that Dompdf was not properly validating processed HTML
content that referenced PHAR files, which could result in the deserialization
of untrusted data. An attacker could possibly use this issue to execute
arbitrary code. (CVE-2021-3838)

It was discovered that Dompdf was not properly validating processed HTML
content that referenced both a remote base and a local file, which could
result in the bypass of a chroot check. An attacker could possibly use this
issue to expose sensitive information. (CVE-2022-2400)");

  script_tag(name:"affected", value:"'php-dompdf' package(s) on Ubuntu 16.04, Ubuntu 18.04, 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:"php-dompdf", ver:"0.6.1+dfsg-2ubuntu1+esm1", 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:"php-dompdf", ver:"0.6.2+dfsg-3ubuntu0.18.04.1~esm1", rls:"UBUNTU18.04 LTS"))) {
    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:"php-dompdf", ver:"0.6.2+dfsg-3ubuntu0.20.04.1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

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

exit(0);