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
91.7%
According to its banner, the version of Sympa installed on the remote host contains a flaw that causes sympa.pl to crash when sending a text digest if it encounters a message with a malformed Content-Type header.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(31726);
script_version("1.17");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");
script_cve_id("CVE-2008-1648");
script_bugtraq_id(28539);
script_xref(name:"SECUNIA", value:"29575");
script_name(english:"Sympa Malformed Content-Type Header Remote DoS");
script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a Perl script that is prone to a denial
of service attack.");
script_set_attribute(attribute:"description", value:
"According to its banner, the version of Sympa installed on the remote
host contains a flaw that causes sympa.pl to crash when sending a text
digest if it encounters a message with a malformed Content-Type
header.");
# https://sourcesup.cru.fr/tracker/?func=detail&group_id=23&aid=3702&atid=167
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?549c5035");
script_set_attribute(attribute:"see_also", value:"http://www.sympa.org/distribution/latest-stable/NEWS");
script_set_attribute(attribute:"solution", value:
"Upgrade to Sympa 5.4 or later.");
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:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
script_set_attribute(attribute:"exploit_available", value:"false");
script_cwe_id(20);
script_set_attribute(attribute:"plugin_publication_date", value:"2008/04/01");
script_set_attribute(attribute:"potential_vulnerability", value:"true");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:sympa:sympa");
script_set_attribute(attribute:"thorough_tests", value:"true");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"CGI abuses");
script_copyright(english:"This script is Copyright (C) 2008-2022 Tenable Network Security, Inc.");
script_dependencies("sympa_detect.nasl");
script_require_keys("Settings/ParanoidReport");
script_exclude_keys("Settings/disable_cgi_scanning");
script_require_ports("Services/www", 80);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
if (report_paranoia < 2) audit(AUDIT_PARANOID);
port = get_http_port(default:80);
# Test an install.
install = get_kb_item(string("www/", port, "/sympa"));
if (isnull(install)) exit(0);
matches = eregmatch(string:install, pattern:"^(.+) under (/.*)$");
if (!isnull(matches))
{
version = matches[1];
if (version =~ "^([0-4]\.|5\.[0-3]($|[^0-9]))")
{
if (report_verbosity)
{
report = string(
"\n",
"Sympa version ", version, " appears to be running on the remote host.\n"
);
security_warning(port:port, extra:report);
}
else security_warning(port);
}
}