Vulnerabilities > CVE-1999-1534 - Buffer Overflow vulnerability in Knox Software Arkeia 4.0

047910
CVSS 7.2 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
local
low complexity
knox-software
nessus
exploit available
NVD
Published: 1999-09-23
Updated: 2016-10-18

Summary

Buffer overflow in (1) nlservd and (2) rnavc in Knox Software Arkeia backup product allows local users to obtain root access via a long HOME environmental variable.

Vulnerable Configurations

Part Description Count
Application
Knox_Software
1

Exploit-Db

descriptionKnox Software Arkeia 4.0 Backup rnavc & nlserverd HOME Environment Variable Buffer Overflow. CVE-1999-1534. Local exploit for linux platform
idEDB-ID:19511
last seen2016-02-02
modified1999-09-26
published1999-09-26
reporterBrock Tellier
sourcehttps://www.exploit-db.com/download/19511/
titleKnox Software Arkeia 4.0 Backup Local Overflow

Nessus

NASL familyMisc.
NASL idARKEIA.NASL
descriptionIt was possible to overflow a buffer in the Knox
last seen2020-06-01
modified2020-06-02
plugin id10018
published1999-09-28
reporterThis script is Copyright (C) 1999-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/10018
titleKnox Arkeia Backup Service Buffer Overflow
code
#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
 script_id(10018);
 script_version("1.31");
 script_cvs_date("Date: 2018/06/27 18:42:26");

 script_cve_id("CVE-1999-1534");
 script_bugtraq_id(661);

 script_name(english:"Knox Arkeia Backup Service Buffer Overflow");
 script_summary(english:"Arkeia Buffer Overflow");

 script_set_attribute(attribute:"synopsis", value:
"The remote host is running a backup service which is affected by a
local buffer overflow vulnerability.");
 script_set_attribute(attribute:"description", value:
"It was possible to overflow a buffer in the Knox's Arkeia server.

This problem allows an attacker to perform a denial of service attack
and to gain root using the remote service if the attacker is local.");
 script_set_attribute(attribute:"solution", value:"There is no known solution at this time.");
 script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
 script_set_cvss_temporal_vector("CVSS2#E:POC/RL:U/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"true");

 script_set_attribute(attribute:"vuln_publication_date", value:"1999/09/23");
 script_set_attribute(attribute:"plugin_publication_date", value:"1999/09/28");

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

 script_category(ACT_MIXED_ATTACK); # mixed

 script_copyright(english:"This script is Copyright (C) 1999-2018 Tenable Network Security, Inc.");
 script_family(english:"Misc.");

 script_dependencie("arkeia_default_account.nasl");
 script_require_keys("Settings/ParanoidReport");
 script_require_ports(617);
 exit(0);
}


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

if (report_paranoia < 2) audit(AUDIT_PARANOID);

port = 617;
version = get_kb_item("arkeia-client/617");
if ( ! version ) exit(0);
if ( !ereg(pattern:"^[0-4]\.", string:version) )  exit(0);

if(safe_checks())
{
 security_hole(port);
 exit(0);
}


if(get_port_state(port))
{
 data = crap(10000);
 soc = open_sock_tcp(port);
 if(soc > 0)
 {
  send(socket:soc, data:data);
  close(soc);
  sleep(2);
  soc2 = open_sock_tcp(port);
  if(!soc2)security_hole(port);
  else close(soc2);
 }
}

References