6.7 Medium
AI Score
Confidence
Low
4.3 Medium
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.009 Low
EPSS
Percentile
82.5%
OpenSSH is prone to a security bypass 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:openbsd:openssh";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.806049");
script_version("2023-07-25T05:05:58+0000");
script_cve_id("CVE-2015-5352");
script_tag(name:"cvss_base", value:"4.3");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
script_tag(name:"creation_date", value:"2015-09-10 14:36:41 +0530 (Thu, 10 Sep 2015)");
script_name("OpenSSH Security Bypass Vulnerability");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2015 Greenbone AG");
script_family("General");
script_dependencies("gb_openssh_consolidation.nasl");
script_mandatory_keys("openssh/detected");
script_xref(name:"URL", value:"http://openwall.com/lists/oss-security/2015/07/01/10");
script_tag(name:"summary", value:"OpenSSH is prone to a security bypass vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw is due to the refusal
deadline was not checked within the x11_open_helper function.");
script_tag(name:"impact", value:"Successful exploitation will allow remote
attackers to bypass intended access restrictions.");
script_tag(name:"affected", value:"OpenSSH versions before 6.9.");
script_tag(name:"solution", value:"Upgrade to OpenSSH version 6.9 or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_banner_unreliable");
exit(0);
}
include("version_func.inc");
include("host_details.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( version_is_less( version:vers, test_version:"6.9" ) ) {
report = report_fixed_ver( installed_version:vers, fixed_version:"6.9", install_path:path );
security_message( port:port, data:report );
exit( 0 );
}
exit( 99 );