Quagga < 0.99.20.1 Multiple Vulnerabilities

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

include("compat.inc");

if (description)
{
  script_id(59791);
  script_version("1.7");
  script_cvs_date("Date: 2018/07/25 18:58:04");

  script_cve_id("CVE-2012-0249", "CVE-2012-0250", "CVE-2012-0255");
  script_bugtraq_id(52531);
  script_xref(name:"CERT", value:"551715");

  script_name(english:"Quagga < 0.99.20.1 Multiple Vulnerabilities");
  script_summary(english:"Check the version of Quagga");

  script_set_attribute(attribute:"synopsis", value:
"The remote service may be affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the installation of
Quagga listening on the remote host is affected by multiple
vulnerabilities :

  - A buffer overflow vulnerability exists in OSPFD can be
    triggered by a specially crafted Link Status Update
    message that is smaller than the length specified in 
    its header, leading to denial of service.
    (CVE-2012-0249)

  - A buffer overflow vulnerability in exists OSPFD can be
    triggered by a specially crafted Link Status Update
    message containing a network-LSA link-state
    advertisement for which the data-structure length is
    smaller than the value in the Length header field,
    leading to denial of service. (CVE-2012-0250)

  - A denial of service vulnerability exists in BGPD that 
    can be triggered by a specially crafted OPEN message 
    with a malformed four-octet AS Number Capability.
    (CVE-2012-0250)");
  script_set_attribute(attribute:"solution", value:
"Upgrade to version 0.99.20.1 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 known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"see_also", value:"https://bugzilla.quagga.net/show_bug.cgi?id=705");
  script_set_attribute(attribute:"see_also", value:"http://savannah.nongnu.org/forum/forum.php?forum_id=7151");
  script_set_attribute(attribute:"see_also", value:"http://www.quagga.net/download/quagga-0.99.20.1.changelog.txt");

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/01/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/03/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/06/29");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:quagga:quagga");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2012-2018 Tenable Network Security, Inc.");

  script_dependencies("quagga_zebra_detect.nasl");
  script_require_keys("Quagga/Installed", "Settings/ParanoidReport");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");

app = "Quagga Zebra";
kb = "Quagga/";

if (report_paranoia < 2)
  audit(AUDIT_PARANOID);

port = get_kb_item_or_exit(kb + "Installed");

kb += port + "/";
banner = get_kb_item_or_exit(kb + "Banner");
ver = get_kb_item_or_exit(kb + "Version");

if (ver !~ "^\d+(\.\d+)*$")
  audit(AUDIT_NONNUMERIC_VER, app, port, ver);

fix = "0.99.20.1";
if (ver_compare(ver:ver, fix:fix, strict:TRUE) >= 0)
  audit(AUDIT_LISTEN_NOT_VULN, app, port, ver);

report = NULL;
if (report_verbosity > 0)
{
  report =
    '\n  Version source    : ' + banner +
    '\n  Installed version : ' + ver +
    '\n  Fixed version     : ' + fix +
    '\n';
}

security_warning(port:port, extra:report);