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openvasCopyright (C) 2019 Greenbone AGOPENVAS:1361412562310141964
HistoryFeb 05, 2019 - 12:00 a.m.

Apache HTTP Server < 2.4.38 mod_session_cookie Vulnerability - Linux

2019-02-0500:00:00
Copyright (C) 2019 Greenbone AG
plugins.openvas.org
276

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.8 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.002 Low

EPSS

Percentile

53.6%

In Apache HTTP Server mod_session checks the session expiry time before
decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessions since the
expiry time is loaded when the session is decoded.

# SPDX-FileCopyrightText: 2019 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

CPE = "cpe:/a:apache:http_server";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.141964");
  script_version("2024-02-15T05:05:40+0000");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"creation_date", value:"2019-02-05 13:36:29 +0700 (Tue, 05 Feb 2019)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-06-06 11:15:00 +0000 (Sun, 06 Jun 2021)");

  script_cve_id("CVE-2018-17199");

  script_tag(name:"qod_type", value:"remote_banner_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("Apache HTTP Server < 2.4.38 mod_session_cookie Vulnerability - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone AG");
  script_family("Web Servers");
  script_dependencies("gb_apache_http_server_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("apache/http_server/detected", "Host/runs_unixoide");

  script_tag(name:"summary", value:"In Apache HTTP Server mod_session checks the session expiry time before
  decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessions since the
  expiry time is loaded when the session is decoded.");

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

  script_tag(name:"affected", value:"Apache HTTP Server version 2.4.37 and prior.");

  script_tag(name:"solution", value:"Update to version 2.4.38 or later.");

  script_xref(name:"URL", value:"https://httpd.apache.org/security/vulnerabilities_24.html");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (isnull(port = get_app_port(cpe: CPE)))
  exit(0);

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE, version_regex: "^[0-9]+\.[0-9]+\.[0-9]+"))
  exit(0);

version = infos["version"];
location = infos["location"];

affected = make_list("2.4.37",
                     "2.4.35",
                     "2.4.34",
                     "2.4.33",
                     "2.4.30",
                     "2.4.29",
                     "2.4.28",
                     "2.4.27",
                     "2.4.26",
                     "2.4.25",
                     "2.4.23",
                     "2.4.20",
                     "2.4.18",
                     "2.4.17",
                     "2.4.16",
                     "2.4.12",
                     "2.4.10",
                     "2.4.9",
                     "2.4.7",
                     "2.4.6",
                     "2.4.4",
                     "2.4.3",
                     "2.4.2",
                     "2.4.1",
                     "2.4.0");

foreach af (affected) {
  if (version == af) {
    report = report_fixed_ver(installed_version: version, fixed_version: "2.4.38", install_path: location);
    security_message(port: port, data: report);
    exit(0);
  }
}

exit(99);

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.8 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.002 Low

EPSS

Percentile

53.6%