Vulnerabilities > CVE-2002-2414 - Denial of Service vulnerability in Opera HTTPS Proxy

047910
CVSS 4.3 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
PARTIAL
network
opera-software
squid
nessus

Summary

Opera 6.0.3, when using Squid 2.4 for HTTPS proxying, does not properly handle when accepting a non-global certificate authority (CA) certificate from a site and establishing a subsequent HTTPS connection, which allows remote attackers to cause a denial of service (crash).

Vulnerable Configurations

Part Description Count
Application
Opera_Software
1
Application
Squid
1

Nessus

NASL familyWindows
NASL idOPERA_MULTIPLE_FLAWS.NASL
descriptionThe version of Opera installed on the remote host is vulnerable to various security flaws, ranging from cross-site scripting to buffer overflows. To exploit them, an attacker would need to set up a rogue website, then lure a user of this host visit it using Opera. He would then be able to execute arbitrary code on this host.
last seen2020-06-01
modified2020-06-02
plugin id11404
published2003-03-16
reporterThis script is Copyright (C) 2003-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/11404
titleOpera < 7.03 Multiple Vulnerabilities
code
#
# (C) Tenable Network Security, Inc.
#


include("compat.inc");

if(description)
{
 script_id(11404);
 script_version("1.25");
 script_cve_id("CVE-2002-2414", "CVE-2003-1387", "CVE-2003-1397", "CVE-2003-1420");
 script_bugtraq_id(6218, 6754, 6755, 6756, 6757, 6759, 6811, 6814, 6962, 7056);

 script_name(english:"Opera < 7.03 Multiple Vulnerabilities");
 
 script_set_attribute(attribute:"synopsis", value:
"The remote host has an application that is affected by 
multiple flaws." );
 script_set_attribute(attribute:"description", value:
"The version of Opera installed on the remote host is vulnerable to
various security flaws, ranging from cross-site scripting to buffer
overflows. 

To exploit them, an attacker would need to set up a rogue website,
then lure a user of this host visit it using Opera.  He would then be
able to execute arbitrary code on this host." );
 script_set_attribute(attribute:"see_also", value:"http://web.archive.org/web/20170714204641/http://www.opera.com:80/docs/changelogs/windows/703/" );
 script_set_attribute(attribute:"solution", value:
"Install Opera 7.03 or newer." );
 script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");
 script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
 script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
 script_set_attribute(attribute:"exploit_available", value:"true");
 script_cwe_id(79, 119);

 script_set_attribute(attribute:"plugin_publication_date", value: "2003/03/16");
 script_set_attribute(attribute:"vuln_publication_date", value: "2003/02/26");
 script_cvs_date("Date: 2018/11/15 20:50:28");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:opera:opera_browser");
script_end_attributes();

 script_summary(english:"Determines the version of Opera.exe");
 
 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is Copyright (C) 2003-2018 Tenable Network Security, Inc.");
 script_family(english:"Windows");
 script_dependencies("opera_installed.nasl");
 script_require_keys("SMB/Opera/Version");
 exit(0);
}

#

include("global_settings.inc");

version_ui = get_kb_item("SMB/Opera/Version_UI");
version = get_kb_item("SMB/Opera/Version");
if (isnull(version)) exit(0);

ver = split(version, sep:'.', keep:FALSE);
for (i=0; i<max_index(ver); i++)
  ver[i] = int(ver[i]);

if (
  ver[0] < 7 ||
  (ver[0] == 7 && ver[1] < 3)
)
{
  if (report_verbosity && version_ui)
  {
    report = string(
      "\n",
      "Opera ", version_ui, " is currently installed on the remote host.\n"
    );
    security_hole(port:get_kb_item("SMB/transport"), extra:report);
  }
  else security_hole(get_kb_item("SMB/transport"));
}