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EulerOS Virtualization 2.10.0 : httpd (EulerOS-SA-2022-2025)

EulerOS 2.10.0 httpd Vulnerabilitie

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##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(163151);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/18");

  script_cve_id(
    "CVE-2021-44224",
    "CVE-2021-44790",
    "CVE-2022-22719",
    "CVE-2022-22720",
    "CVE-2022-22721",
    "CVE-2022-23943"
  );

  script_name(english:"EulerOS Virtualization 2.10.0 : httpd (EulerOS-SA-2022-2025)");

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

  - A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL
    pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can allow for
    requests to be directed to a declared Unix Domain Socket endpoint (Server Side Request Forgery). This
    issue affects Apache HTTP Server 2.4.7 up to 2.4.51 (included). (CVE-2021-44224)

  - A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser
    (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the
    vulnerability though it might be possible to craft one. This issue affects Apache HTTP Server 2.4.51 and
    earlier. (CVE-2021-44790)

  - A carefully crafted request body can cause a read to a random memory area which could cause the process to
    crash. This issue affects Apache HTTP Server 2.4.52 and earlier. (CVE-2022-22719)

  - Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered
    discarding the request body, exposing the server to HTTP Request Smuggling (CVE-2022-22720)

  - If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems
    an integer overflow happens which later causes out of bounds writes. This issue affects Apache HTTP Server
    2.4.52 and earlier. (CVE-2022-22721)

  - Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap
    memory with possibly attacker provided data. This issue affects Apache HTTP Server 2.4 version 2.4.52 and
    prior versions. (CVE-2022-23943)

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-2022-2025
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?84447ff8");
  script_set_attribute(attribute:"solution", value:
"Update the affected httpd packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2022-23943");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/12/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/07/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/07/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:httpd");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:httpd-filesystem");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:httpd-tools");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:uvp:2.10.0");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}

include("rpm.inc");

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

var release = get_kb_item("Host/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
var uvp = get_kb_item("Host/EulerOS/uvp_version");
if (uvp != "2.10.0") audit(AUDIT_OS_NOT, "EulerOS Virtualization 2.10.0");
if (!get_kb_item("Host/EulerOS/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

var 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);

var flag = 0;

var pkgs = [
  "httpd-2.4.43-4.h14.eulerosv2r10",
  "httpd-filesystem-2.4.43-4.h14.eulerosv2r10",
  "httpd-tools-2.4.43-4.h14.eulerosv2r10"
];

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

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

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