Huawei EulerOS: Security Advisory for bind (EulerOS-SA-2019-1730)

# 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("1.3.6.1.4.1.25623.1.1.2.2019.1730");
  script_cve_id("CVE-2018-5743");
  script_tag(name:"creation_date", value:"2020-01-23 12:21:11 +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:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2019-11-01 15:47:02 +0000 (Fri, 01 Nov 2019)");

  script_name("Huawei EulerOS: Security Advisory for bind (EulerOS-SA-2019-1730)");
  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=EULEROS\-2\.0SP2");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2019-1730");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2019-1730");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'bind' package(s) announced via the EulerOS-SA-2019-1730 advisory.");

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

  script_tag(name:"insight", value:"A flaw was found in the way bind implemented tunable which limited simultaneous TCP client connections. A remote attacker could use this flaw to exhaust the pool of file descriptors available to named, potentially affecting network connections and the management of files such as log files or zone journal files. In cases where the named process is not limited by OS-enforced per-process limits, this could additionally potentially lead to exhaustion of all available free file descriptors on that system.(CVE-2018-5743)");

  script_tag(name:"affected", value:"'bind' package(s) on Huawei EulerOS V2.0SP2.");

  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 == "EULEROS-2.0SP2") {

  if(!isnull(res = isrpmvuln(pkg:"bind", rpm:"bind~9.9.4~61.1.h3", rls:"EULEROS-2.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-chroot", rpm:"bind-chroot~9.9.4~61.1.h3", rls:"EULEROS-2.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-libs", rpm:"bind-libs~9.9.4~61.1.h3", rls:"EULEROS-2.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-libs-lite", rpm:"bind-libs-lite~9.9.4~61.1.h3", rls:"EULEROS-2.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-license", rpm:"bind-license~9.9.4~61.1.h3", rls:"EULEROS-2.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-pkcs11", rpm:"bind-pkcs11~9.9.4~61.1.h3", rls:"EULEROS-2.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-pkcs11-libs", rpm:"bind-pkcs11-libs~9.9.4~61.1.h3", rls:"EULEROS-2.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-pkcs11-utils", rpm:"bind-pkcs11-utils~9.9.4~61.1.h3", rls:"EULEROS-2.0SP2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"bind-utils", rpm:"bind-utils~9.9.4~61.1.h3", rls:"EULEROS-2.0SP2"))) {
    report += res;
  }

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

exit(0);