Ubuntu: Security Advisory (USN-5947-1)

# 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("1.3.6.1.4.1.25623.1.1.12.2023.5947.1");
  script_cve_id("CVE-2019-9942", "CVE-2022-23614", "CVE-2022-39261");
  script_tag(name:"creation_date", value:"2023-03-13 16:21:07 +0000 (Mon, 13 Mar 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:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-02-10 13:58:33 +0000 (Thu, 10 Feb 2022)");

  script_name("Ubuntu: Security Advisory (USN-5947-1)");
  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|22\.04\ LTS)");

  script_xref(name:"Advisory-ID", value:"USN-5947-1");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-5947-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'php-twig, twig' package(s) announced via the USN-5947-1 advisory.");

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

  script_tag(name:"insight", value:"Fabien Potencier discovered that Twig was not properly enforcing sandbox
policies when dealing with objects automatically cast to strings by PHP.
An attacker could possibly use this issue to expose sensitive information.
This issue was only fixed in Ubuntu 16.04 ESM and Ubuntu 18.04 ESM.
(CVE-2019-9942)

Marlon Starkloff discovered that Twig was not properly enforcing closure
constraints in some of its array filtering functions. An attacker could
possibly use this issue to execute arbitrary code. This issue was only
fixed in Ubuntu 20.04 ESM. (CVE-2022-23614)

Dariusz Tytko discovered that Twig was not properly verifying input data
utilized when defining pathnames used to access files in a system. An
attacker could possibly use this issue to access unauthorized resources
and expose sensitive information. (CVE-2022-39261)");

  script_tag(name:"affected", value:"'php-twig, twig' package(s) on Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, Ubuntu 22.04.");

  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-twig", ver:"1.23.1-1ubuntu4+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-twig", ver:"2.4.6-1ubuntu0.1~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-twig", ver:"2.12.5-1ubuntu0.1~esm1", rls:"UBUNTU20.04 LTS"))) {
    report += res;
  }

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

if(release == "UBUNTU22.04 LTS") {

  if(!isnull(res = isdpkgvuln(pkg:"php-twig", ver:"3.3.8-2ubuntu4+esm1", rls:"UBUNTU22.04 LTS"))) {
    report += res;
  }

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

exit(0);