Ubuntu: Security Advisory (USN-6005-2)

# 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("1.3.6.1.4.1.25623.1.1.12.2023.6005.2");
  script_cve_id("CVE-2023-28486", "CVE-2023-28487");
  script_tag(name:"creation_date", value:"2023-05-30 04:09:22 +0000 (Tue, 30 May 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:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-03-22 15:01:17 +0000 (Wed, 22 Mar 2023)");

  script_name("Ubuntu: Security Advisory (USN-6005-2)");
  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-6005-2");
  script_xref(name:"URL", value:"https://ubuntu.com/security/notices/USN-6005-2");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'sudo' package(s) announced via the USN-6005-2 advisory.");

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

  script_tag(name:"insight", value:"USN-6005-1 fixed vulnerabilities in Sudo. This update
provides the corresponding updates for Ubuntu 16.04 LTS.

Original advisory details:

 Matthieu Barjole and Victor Cutillas discovered that Sudo incorrectly
 escaped control characters in log messages and sudoreplay output. An
 attacker could possibly use these issues to inject terminal control
 characters that alter output when being viewed.");

  script_tag(name:"affected", value:"'sudo' 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:"sudo", ver:"1.8.16-0ubuntu1.10+esm2", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

  if(!isnull(res = isdpkgvuln(pkg:"sudo-ldap", ver:"1.8.16-0ubuntu1.10+esm2", rls:"UBUNTU16.04 LTS"))) {
    report += res;
  }

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

exit(0);