Huawei EulerOS: Security Advisory for ncurses (EulerOS-SA-2020-1732)

# 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("1.3.6.1.4.1.25623.1.1.2.2020.1732");
  script_cve_id("CVE-2017-13728", "CVE-2017-13729", "CVE-2017-13730", "CVE-2017-13731", "CVE-2017-13732", "CVE-2017-13733", "CVE-2017-13734", "CVE-2019-17594", "CVE-2019-17595");
  script_tag(name:"creation_date", value:"2020-07-03 06:19:04 +0000 (Fri, 03 Jul 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:"5.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2019-12-23 19:26:53 +0000 (Mon, 23 Dec 2019)");

  script_name("Huawei EulerOS: Security Advisory for ncurses (EulerOS-SA-2020-1732)");
  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=EULEROSVIRT\-3\.0\.6\.0");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2020-1732");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2020-1732");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'ncurses' package(s) announced via the EulerOS-SA-2020-1732 advisory.");

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

  script_tag(name:"insight", value:"There is a heap-based buffer over-read in the fmt_entry function in tinfo/comp_hash.c in the terminfo library in ncurses before 6.1-20191012.(CVE-2019-17595)

There is a heap-based buffer over-read in the _nc_find_entry function in tinfo/comp_hash.c in the terminfo library in ncurses before 6.1-20191012.(CVE-2019-17594)

There is an illegal address access in the _nc_safe_strcat function in strings.c in ncurses 6.0 that will lead to a remote denial of service attack.(CVE-2017-13734)

There is an illegal address access in the fmt_entry function in progs/dump_entry.c in ncurses 6.0 that might lead to a remote denial of service attack.(CVE-2017-13733)

There is an illegal address access in the function dump_uses() in progs/dump_entry.c in ncurses 6.0 that might lead to a remote denial of service attack.(CVE-2017-13732)

There is an illegal address access in the function postprocess_termcap() in parse_entry.c in ncurses 6.0 that will lead to a remote denial of service attack.(CVE-2017-13731)

There is an illegal address access in the function _nc_read_entry_source() in progs/tic.c in ncurses 6.0 that might lead to a remote denial of service attack.(CVE-2017-13730)

There is an illegal address access in the _nc_save_str function in alloc_entry.c in ncurses 6.0. It will lead to a remote denial of service attack.(CVE-2017-13729)

There is an infinite loop in the next_char function in comp_scan.c in ncurses 6.0, related to libtic. A crafted input will lead to a remote denial of service attack.(CVE-2017-13728)");

  script_tag(name:"affected", value:"'ncurses' package(s) on Huawei EulerOS Virtualization 3.0.6.0.");

  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 == "EULEROSVIRT-3.0.6.0") {

  if(!isnull(res = isrpmvuln(pkg:"ncurses", rpm:"ncurses~5.9~14.20130511.h7.eulerosv2r7", rls:"EULEROSVIRT-3.0.6.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ncurses-base", rpm:"ncurses-base~5.9~14.20130511.h7.eulerosv2r7", rls:"EULEROSVIRT-3.0.6.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ncurses-devel", rpm:"ncurses-devel~5.9~14.20130511.h7.eulerosv2r7", rls:"EULEROSVIRT-3.0.6.0"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"ncurses-libs", rpm:"ncurses-libs~5.9~14.20130511.h7.eulerosv2r7", rls:"EULEROSVIRT-3.0.6.0"))) {
    report += res;
  }

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

exit(0);