Huawei EulerOS: Security Advisory for systemd (EulerOS-SA-2020-1054)

# 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("1.3.6.1.4.1.25623.1.1.2.2020.1054");
  script_cve_id("CVE-2019-15718");
  script_tag(name:"creation_date", value:"2020-01-23 13:18:24 +0000 (Thu, 23 Jan 2020)");
  script_version("2024-02-05T14:36:56+0000");
  script_tag(name:"last_modification", value:"2024-02-05 14:36:56 +0000 (Mon, 05 Feb 2024)");
  script_tag(name:"cvss_base", value:"3.6");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-02-20 06:15:53 +0000 (Sun, 20 Feb 2022)");

  script_name("Huawei EulerOS: Security Advisory for systemd (EulerOS-SA-2020-1054)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone AG");
  script_family("Huawei EulerOS Local Security Checks");
  script_dependencies("gb_huawei_euleros_consolidation.nasl");
  script_mandatory_keys("ssh/login/euleros", "ssh/login/rpms", re:"ssh/login/release=EULEROSVIRTARM64\-3\.0\.5\.0");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2020-1054");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2020-1054");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'systemd' package(s) announced via the EulerOS-SA-2020-1054 advisory.");

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

  script_tag(name:"insight", value:"In systemd 240, bus_open_system_watch_bind_with_description in shared/bus-util.c (as used by systemd-resolved to connect to the system D-Bus instance), calls sd_bus_set_trusted, which disables access controls for incoming D-Bus messages. An unprivileged user can exploit this by executing D-Bus methods that should be restricted to privileged users, in order to change the system's DNS resolver settings.(CVE-2019-15718)");

  script_tag(name:"affected", value:"'systemd' package(s) on Huawei EulerOS Virtualization for ARM 64 3.0.5.0.");

  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-rpm.inc");

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

res = "";
report = "";

if(release == "EULEROSVIRTARM64-3.0.5.0") {

  if(!isnull(res = isrpmvuln(pkg:"systemd", rpm:"systemd~239~3.h64.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"systemd-container", rpm:"systemd-container~239~3.h64.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"systemd-devel", rpm:"systemd-devel~239~3.h64.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"systemd-journal-remote", rpm:"systemd-journal-remote~239~3.h64.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"systemd-libs", rpm:"systemd-libs~239~3.h64.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"systemd-pam", rpm:"systemd-pam~239~3.h64.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"systemd-udev", rpm:"systemd-udev~239~3.h64.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"systemd-udev-compat", rpm:"systemd-udev-compat~239~3.h64.eulerosv2r8", rls:"EULEROSVIRTARM64-3.0.5.0"))) {
    report += res;
  }

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

exit(0);