7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.944 High
EPSS
Percentile
99.2%
OpenSSL is prone to a Denial of Service (DoS) vulnerability.
# SPDX-FileCopyrightText: 2015 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:openssl:openssl";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.806652");
script_version("2024-02-15T05:05:40+0000");
script_cve_id("CVE-2015-3194");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2022-08-16 13:22:00 +0000 (Tue, 16 Aug 2022)");
script_tag(name:"creation_date", value:"2015-12-18 08:50:22 +0530 (Fri, 18 Dec 2015)");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
script_name("OpenSSL 'PSS' parameter Denial of Service Vulnerability - Linux");
script_tag(name:"summary", value:"OpenSSL 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:"The flaw exists due to error within
crypto/rsa/rsa_ameth.c script as the signature verification routines crash
with a NULL pointer dereference if presented with an ASN.1 signature using
the RSA PSS algorithm and absent mask generation function parameter.");
script_tag(name:"impact", value:"Successful exploitation will allow a remote
attacker to cause a denial of service condition.");
script_tag(name:"affected", value:"OpenSSL versions 1.0.1 before 1.0.1q and
1.0.2 before 1.0.2e.");
script_tag(name:"solution", value:"Upgrade to OpenSSL 1.0.1q or 1.0.2e or
later.");
script_tag(name:"solution_type", value:"VendorFix");
script_xref(name:"URL", value:"http://openssl.org/news/secadv/20151203.txt");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/78623");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2015 Greenbone AG");
script_family("Denial of Service");
script_dependencies("gb_openssl_consolidation.nasl", "os_detection.nasl");
script_mandatory_keys("openssl/detected", "Host/runs_unixoide");
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))
exit(0);
vers = infos["version"];
path = infos["location"];
if(vers =~ "^1\.0\.1") {
if(version_is_less(version:vers, test_version:"1.0.1q")) {
fix = "1.0.1q";
VULN = TRUE;
}
}
else if(vers =~ "^1\.0\.2") {
if(version_is_less(version:vers, test_version:"1.0.2e")) {
fix = "1.0.2e";
VULN = TRUE;
}
}
if(VULN) {
report = report_fixed_ver(installed_version:vers, fixed_version:fix, install_path:path);
security_message(port:port, data:report);
exit(0);
}
exit(99);
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.8 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.944 High
EPSS
Percentile
99.2%