5.7 Medium
AI Score
Confidence
High
7.1 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
0.006 Low
EPSS
Percentile
78.7%
Python is prone to a denial of service (DoS) vulnerability.
# SPDX-FileCopyrightText: 2021 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
CPE = "cpe:/a:python:python";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.112994");
script_version("2023-07-05T05:06:18+0000");
script_tag(name:"last_modification", value:"2023-07-05 05:06:18 +0000 (Wed, 05 Jul 2023)");
script_tag(name:"creation_date", value:"2021-11-02 09:20:32 +0000 (Tue, 02 Nov 2021)");
script_tag(name:"cvss_base", value:"7.1");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:C");
script_cve_id("CVE-2013-7338");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("Python 3.3.x < 3.3.4 RC1 DoS Vulnerability (bpo-20078) - Linux");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("Denial of Service");
script_dependencies("gb_python_consolidation.nasl", "os_detection.nasl");
script_mandatory_keys("python/detected", "Host/runs_unixoide");
script_tag(name:"summary", value:"Python is prone to a denial of service (DoS) vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Python allows remote attackers to cause a denial of service
(infinite loop and CPU consumption) via a file size value larger than the size of the zip file
to the ZipExtFile.read, ZipExtFile.read(n), ZipExtFile.readlines, ZipFile.extract,
or ZipFile.extractall function.");
script_tag(name:"affected", value:"Python 3.3.0 before 3.3.4 RC1.");
script_tag(name:"solution", value:"The vendor has released updates. Please see the references for
more information.");
script_xref(name:"URL", value:"https://python-security.readthedocs.io/vuln/zipfile-file-size-dos.html");
script_xref(name:"Advisory-ID", value:"bpo-20078");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if( isnull( port = get_app_port( cpe:CPE ) ) )
exit( 0 );
if( ! infos = get_app_version_and_location( cpe:CPE, port:port, exit_no_version:TRUE, version_regex:"^[0-9]+\.[0-9]+\.[0-9]+" ) )
exit( 0 );
version = infos["version"];
location = infos["location"];
if( version_in_range( version:version, test_version:"3.3.0", test_version2:"3.3.3" ) ) {
report = report_fixed_ver( installed_version:version, fixed_version:"See reference", install_path:location );
security_message( port:port, data:report );
exit( 0 );
}
exit( 99 );