Vulnerabilities > CVE-2008-1648 - Improper Input Validation vulnerability in Sympa

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

include("compat.inc");

if (description)
{
  script_id(31726);
  script_version("1.15");
  script_cvs_date("Date: 2018/08/01 17:36:12");

  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_summary(english:"Checks version of Sympa");

  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_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2008-2018 Tenable Network Security, Inc.");

  script_dependencies("sympa_detect.nasl");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_keys("Settings/ParanoidReport");
  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);
  }
}

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Debian Security Advisory DSA-1600. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(33401);
  script_version("1.12");
  script_cvs_date("Date: 2019/08/02 13:32:21");

  script_cve_id("CVE-2008-1648");
  script_xref(name:"DSA", value:"1600");

  script_name(english:"Debian DSA-1600-1 : sympa - dos");
  script_summary(english:"Checks dpkg output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Debian host is missing a security-related update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"It was discovered that sympa, a modern mailing list manager, would
crash when processing certain types of malformed messages."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=475163"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.debian.org/security/2008/dsa-1600"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the sympa package.

For the stable distribution (etch), this problem has been fixed in
version 5.2.3-1.2+etch1."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_cwe_id(20);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:sympa");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:4.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2008/07/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2008/07/08");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2008-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"4.0", prefix:"sympa", reference:"5.2.3-1.2+etch1")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");