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openvasCopyright (C) 2009 Greenbone AGOPENVAS:1361412562310900970
HistoryOct 31, 2009 - 12:00 a.m.

QEMU VNC Server Denial of Service Vulnerability - Linux

2009-10-3100:00:00
Copyright (C) 2009 Greenbone AG
plugins.openvas.org
14

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

9.1 High

AI Score

Confidence

High

8.5 High

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

0.004 Low

EPSS

Percentile

72.0%

QEMU is prone to a denial of service (DoS) vulnerability.

# SPDX-FileCopyrightText: 2009 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.900970");
  script_version("2024-02-16T05:06:55+0000");
  script_tag(name:"last_modification", value:"2024-02-16 05:06:55 +0000 (Fri, 16 Feb 2024)");
  script_tag(name:"creation_date", value:"2009-10-31 09:54:01 +0100 (Sat, 31 Oct 2009)");
  script_tag(name:"cvss_base", value:"8.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:S/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-02-15 21:06:20 +0000 (Thu, 15 Feb 2024)");
  script_cve_id("CVE-2009-3616");
  script_name("QEMU VNC Server Denial of Service Vulnerability - Linux");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2009 Greenbone AG");
  script_family("Buffer overflow");
  script_dependencies("secpod_qemu_detect_lin.nasl");
  script_mandatory_keys("QEMU/Lin/Ver");

  script_xref(name:"URL", value:"https://bugzilla.redhat.com/show_bug.cgi?id=505641");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/36716");
  script_xref(name:"URL", value:"http://www.openwall.com/lists/oss-security/2009/10/16/8");
  script_xref(name:"URL", value:"http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=753b405331");
  script_xref(name:"URL", value:"http://git.savannah.gnu.org/cgit/qemu.git/commit/?id=198a0039c5");

  script_tag(name:"impact", value:"Successful exploitation will let the attacker cause memory or CPU consumption,
  resulting in Denial of Service condition.");

  script_tag(name:"affected", value:"QEMU version 0.10.6 and prior on Linux.");

  script_tag(name:"insight", value:"Multiple use-after-free errors occur in 'vnc.c' in VNC server while processing
  malicious 'SetEncodings' messages sent via VNC client.");

  script_tag(name:"summary", value:"QEMU is prone to a denial of service (DoS) vulnerability.");

  script_tag(name:"solution", value:"Apply the available patches from the referenced repositories.");

  script_tag(name:"qod_type", value:"executable_version_unreliable");
  script_tag(name:"solution_type", value:"VendorFix");

  exit(0);
}

CPE = "cpe:/a:qemu:qemu";

include( "host_details.inc" );
include( "version_func.inc" );

if( ! infos = get_app_version_and_location( cpe: CPE, exit_no_version: TRUE ) )
  exit( 0 );

location = infos["location"];
version = infos["version"];

if( version_is_less( version: version, test_version:"0.10.6" ) ) {
  report = report_fixed_ver( installed_version: version, fixed_version: "0.11.0", install_path: location );
  security_message( data: report, port: 0 );
  exit( 0 );
}

exit( 99 );

9.9 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

9.1 High

AI Score

Confidence

High

8.5 High

CVSS2

Access Vector

Access Complexity

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

0.004 Low

EPSS

Percentile

72.0%

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