Ubuntu: Security Advisory (USN-5340-2)

# 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("1.3.6.1.4.1.25623.1.1.12.2022.5340.2");
  script_cve_id("CVE-2018-9861", "CVE-2020-9281", "CVE-2021-32809", "CVE-2021-33829", "CVE-2021-37695");
  script_tag(name:"creation_date", value:"2023-01-27 04:10:43 +0000 (Fri, 27 Jan 2023)");
  script_version("2024-02-28T14:37:42+0000");
  script_tag(name:"last_modification", value:"2024-02-28 14:37:42 +0000 (Wed, 28 Feb 2024)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-06-10 20:14:53 +0000 (Thu, 10 Jun 2021)");

  script_name("Ubuntu: Security Advisory (USN-5340-2)");
  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=UBUNTU16\.04\ LTS");

  script_xref(name:"Advisory-ID", value:"USN-5340-2");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-5340-2");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'ckeditor' package(s) announced via the USN-5340-2 advisory.");

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

  script_tag(name:"insight", value:"USN-5340-1 fixed several vulnerabilities in CKEditor.
This update provides the fixes for CVE-2018-9861, CVE-2020-9281,
CVE-2021-32809, CVE-2021-33829 and CVE-2021-37695 for Ubuntu 16.04 ESM.

Original advisory details:

Kyaw Min Thein discovered that CKEditor incorrectly handled
certain inputs. An attacker could possibly use this issue
to execute arbitrary code. This issue only affects
Ubuntu 18.04 LTS. (CVE-2018-9861)

Micha Bentkowski discovered that CKEditor incorrectly handled
certain inputs. An attacker could possibly use this issue to
execute arbitrary code. This issue only affects
Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-9281)

Anton Subbotin discovered that CKEditor incorrectly handled
certain inputs. An attacker could possibly use this issue to
execute arbitrary code. This issue only affects
Ubuntu 21.10. (CVE-2021-32808)

Anton Subbotin discovered that CKEditor incorrectly handled
certain inputs. An attacker could possibly use this issue to
inject arbitrary code. (CVE-2021-32809)

Or Sahar discovered that CKEditor incorrectly handled certain
inputs. An attacker could possibly use this issue to execute
arbitrary code. This issue only affects
Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-33829)

Mika Kulmala discovered that CKEditor incorrectly handled
certain inputs. An attacker could possibly use this issue to
execute arbitrary code. (CVE-2021-37695)");

  script_tag(name:"affected", value:"'ckeditor' package(s) on Ubuntu 16.04.");

  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:"ckeditor", ver:"4.5.7+dfsg-2ubuntu0.16.04.1~esm1", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

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

exit(0);