CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
AI Score
Confidence
High
EPSS
Percentile
90.2%
Ruby is prone to a denial of service (DoS) vulnerability.
# SPDX-FileCopyrightText: 2009 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("1.3.6.1.4.1.25623.1.0.900570");
script_version("2024-02-15T05:05:39+0000");
script_tag(name:"last_modification", value:"2024-02-15 05:05:39 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"creation_date", value:"2009-06-23 10:30:45 +0200 (Tue, 23 Jun 2009)");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_cve_id("CVE-2009-1904");
script_name("Ruby BigDecimal Library Denial of Service Vulnerability - Linux");
script_xref(name:"URL", value:"http://secunia.com/advisories/34135");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/35278");
script_xref(name:"URL", value:"http://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal/");
script_tag(name:"qod_type", value:"executable_version_unreliable");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2009 Greenbone AG");
script_family("Denial of Service");
script_dependencies("gb_ruby_consolidation.nasl", "os_detection.nasl");
script_mandatory_keys("ruby/detected", "Host/runs_unixoide");
script_tag(name:"impact", value:"Attackers can exploit this issue to crash an application using this library.");
script_tag(name:"affected", value:"Ruby 1.8.6 to 1.8.6-p368 and 1.8.7 to 1.8.7-p172 on Linux.");
script_tag(name:"insight", value:"The flaw is due to an error within the BigDecimal standard library
when trying to convert BigDecimal objects into floating point numbers
which leads to segmentation fault.");
script_tag(name:"solution", value:"Upgrade to 1.8.6-p369 or 1.8.7-p174.");
script_tag(name:"summary", value:"Ruby is prone to a denial of service (DoS) vulnerability.");
script_tag(name:"solution_type", value:"VendorFix");
exit(0);
}
CPE = "cpe:/a:ruby-lang:ruby";
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))
exit(0);
version = infos["version"];
location = infos["location"];
if(version_in_range(version:version, test_version:"1.8.6", test_version2:"1.8.6.367")) {
report = report_fixed_ver(installed_version:version, fixed_version:"1.8.6-p369", install_path:location);
security_message(data:report, port:port);
exit(0);
}
if(version_in_range(version:version, test_version:"1.8.7", test_version2:"1.8.7.172")) {
report = report_fixed_ver(installed_version:version, fixed_version:"1.8.7-p174", install_path:location);
security_message(data:report, port:port);
exit(0);
}
exit(99);