6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.5 Medium
AI Score
Confidence
High
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.012 Low
EPSS
Percentile
85.3%
Mutt 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
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.113807");
script_version("2023-09-12T05:05:19+0000");
script_tag(name:"last_modification", value:"2023-09-12 05:05:19 +0000 (Tue, 12 Sep 2023)");
script_tag(name:"creation_date", value:"2021-03-24 11:06:25 +0000 (Wed, 24 Mar 2021)");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:N/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2021-02-17 17:08:00 +0000 (Wed, 17 Feb 2021)");
script_tag(name:"qod_type", value:"executable_version_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_cve_id("CVE-2021-3181");
script_name("Mutt <= 2.0.4 DoS Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2021 Greenbone AG");
script_family("Denial of Service");
script_dependencies("gb_mutt_ssh_login_detect.nasl");
script_mandatory_keys("mutt/detected");
script_tag(name:"summary", value:"Mutt 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:"An attacker may send a sequence of semicolon characters in the
RFC822 address fields, which will cause large memory consumption and render the mailbox
unavailable.");
script_tag(name:"affected", value:"Mutt through version 2.0.4.");
script_tag(name:"solution", value:"Update to version 2.0.5 or later.");
script_xref(name:"URL", value:"https://www.openwall.com/lists/oss-security/2021/01/19/10");
script_xref(name:"URL", value:"http://www.mutt.org/news.html");
exit(0);
}
CPE = "cpe:/a:mutt:mutt";
include( "host_details.inc" );
include( "version_func.inc" );
if( ! infos = get_app_version_and_location( cpe: CPE, exit_no_version: TRUE ) )
exit( 0 );
version = infos["version"];
location = infos["location"];
if( version_is_less( version: version, test_version: "2.0.5" ) ) {
report = report_fixed_ver( installed_version: version, fixed_version: "2.0.5", install_path: location );
security_message( data: report, port: 0 );
exit( 0 );
}
exit( 99 );
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
6.5 Medium
AI Score
Confidence
High
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.012 Low
EPSS
Percentile
85.3%