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
EPSS
Percentile
94.1%
According to its banner, the version of lighttpd running on the remote host is prior to 1.4.26 or is 1.5.0. It is, therefore, affected by the following vulnerabilities :
Note that Nessus has not tested for these issues but has instead relied only on the applicationβs self-reported version number.
#
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(106625);
script_version("1.3");
script_cvs_date("Date: 2019/01/02 16:37:56");
script_cve_id("CVE-2010-0295");
script_bugtraq_id(38036);
script_name(english:"lighttpd < 1.4.26 or 1.5.0 Denial of Service");
script_summary(english:"Checks version in Server response header.");
script_set_attribute(attribute:"synopsis", value:
"The remote web server is affected by a denial of service vulnerability");
script_set_attribute(attribute:"description", value:
"According to its banner, the version of lighttpd running on the remote
host is prior to 1.4.26 or is 1.5.0. It is, therefore, affected by the following
vulnerabilities :
- lighttpd allocates a buffer for each read operation which allows
remote attackers to cause a denial of service (memory consumption)
by breaking a request into small pieces that are sent at a slow rate.
Note that Nessus has not tested for these issues but has instead
relied only on the application's self-reported version number.");
script_set_attribute(attribute:"see_also", value:"https://www.lighttpd.net/2015/7/26/1.4.36/");
script_set_attribute(attribute:"solution", value:
"Upgrade to lighttpd version 1.4.26. Alternatively, apply the
vendor-supplied patch.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(399);
script_set_attribute(attribute:"vuln_publication_date", value:"2010/02/03");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/02/06");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:lighttpd:lighttpd");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Web Servers");
script_copyright(english:"This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("lighttpd_detect.nasl");
script_require_keys("installed_sw/lighttpd", "Settings/ParanoidReport");
script_require_ports("Services/www", 80);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("install_func.inc");
if (report_paranoia < 2) audit(AUDIT_PARANOID);
get_install_count(app_name:"lighttpd", exit_if_zero:TRUE);
port = get_http_port(default:80, embedded:TRUE);
install = get_single_install(app_name:"lighttpd", port:port, exit_if_unknown_ver:TRUE);
version = install["version"];
if (ver_compare(ver:version, fix:"1.4.26", strict:TRUE) < 0)
{
report =
'\n Installed version : ' + version +
'\n Fixed version : 1.4.26\n';
security_report_v4(severity:SECURITY_WARNING, port:port, extra:report);
exit(0);
}
else if (version == "1.5.0")
{
# No fix on this version line
report =
'\n Installed version : ' + version + '\n';
security_report_v4(severity:SECURITY_WARNING, port:port, extra:report);
exit(0);
}
else
{
audit(AUDIT_LISTEN_NOT_VULN, "lighttpd", port, version);
}