EulerOS 2.0 SP5 : zziplib (EulerOS-SA-2021-1240)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(146185);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/23");

  script_cve_id(
    "CVE-2017-5974",
    "CVE-2017-5975",
    "CVE-2017-5976",
    "CVE-2017-5977",
    "CVE-2017-5978",
    "CVE-2017-5979",
    "CVE-2017-5980",
    "CVE-2017-5981"
  );

  script_name(english:"EulerOS 2.0 SP5 : zziplib (EulerOS-SA-2021-1240)");

  script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing multiple security updates.");
  script_set_attribute(attribute:"description", value:
"According to the versions of the zziplib package installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :

  - Heap-based buffer overflow in the __zzip_get32 function
    in fetch.c in zziplib 0.13.62 allows remote attackers
    to cause a denial of service (crash) via a crafted ZIP
    file.(CVE-2017-5974)

  - Heap-based buffer overflow in the __zzip_get64 function
    in fetch.c in zziplib 0.13.62 allows remote attackers
    to cause a denial of service (crash) via a crafted ZIP
    file.(CVE-2017-5975)

  - Heap-based buffer overflow in the
    zzip_mem_entry_extra_block function in memdisk.c in
    zziplib 0.13.62 allows remote attackers to cause a
    denial of service (crash) via a crafted ZIP
    file.(CVE-2017-5976)

  - The zzip_mem_entry_extra_block function in memdisk.c in
    zziplib 0.13.62 allows remote attackers to cause a
    denial of service (invalid memory read and crash) via a
    crafted ZIP file.(CVE-2017-5977)

  - The zzip_mem_entry_new function in memdisk.c in zziplib
    0.13.62 allows remote attackers to cause a denial of
    service (out-of-bounds read and crash) via a crafted
    ZIP file.(CVE-2017-5978)

  - The prescan_entry function in fseeko.c in zziplib
    0.13.62 allows remote attackers to cause a denial of
    service (NULL pointer dereference and crash) via a
    crafted ZIP file.(CVE-2017-5979)

  - The zzip_mem_entry_new function in memdisk.c in zziplib
    0.13.62 allows remote attackers to cause a denial of
    service (NULL pointer dereference and crash) via a
    crafted ZIP file.(CVE-2017-5980)

  - seeko.c in zziplib 0.13.62 allows remote attackers to
    cause a denial of service (assertion failure and crash)
    via a crafted ZIP file.(CVE-2017-5981)

Note that Tenable Network Security has extracted the preceding
description block directly from the EulerOS security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
  # https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2021-1240
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ecf80d0f");
  script_set_attribute(attribute:"solution", value:
"Update the affected zziplib packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-5981");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"patch_publication_date", value:"2021/02/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/02/04");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:zziplib");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:2.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Huawei Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
  script_exclude_keys("Host/EulerOS/uvp_version");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

release = get_kb_item("Host/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0");

sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(5)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5");

uvp = get_kb_item("Host/EulerOS/uvp_version");
if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP5", "EulerOS UVP " + uvp);

if (!get_kb_item("Host/EulerOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_ARCH_NOT, "i686 / x86_64", cpu);

flag = 0;

pkgs = ["zziplib-0.13.62-11.h2.eulerosv2r7"];

foreach (pkg in pkgs)
  if (rpm_check(release:"EulerOS-2.0", sp:"5", reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "zziplib");
}