CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
99.8%
The Apache Shiro uses a default cipher key for the ‘remember me’ feature when not explicitly configured. An unauthenticated, remote attacker can exploit this, via a specially crafted request, to execute arbitrary code or access content that would otherwise be protected by a security constraint.
#%NASL_MIN_LEVEL 70300
##
# (C) Tenable, Inc.
##
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(159764);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/25");
script_cve_id("CVE-2016-4437");
script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/03");
script_name(english:"Apache Shiro < 1.2.5 Default Cipher Key (CVE-2016-4437)");
script_set_attribute(attribute:"synopsis", value:
"A Java security framework uses a default cipher key.");
script_set_attribute(attribute:"description", value:
"The Apache Shiro uses a default cipher key for the 'remember me'
feature when not explicitly configured. An unauthenticated, remote
attacker can exploit this, via a specially crafted request, to
execute arbitrary code or access content that would otherwise be
protected by a security constraint.");
# https://packetstormsecurity.com/files/137310/Apache-Shiro-1.2.4-Information-Disclosure.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?fd9839a6");
# https://packetstormsecurity.com/files/157497/Apache-Shiro-1.2.4-Remote-Code-Execution.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?25ff751a");
script_set_attribute(attribute:"solution", value:
"Upgrade to Apache Shiro 1.2.5 or later, ensure a secret cipher key is
configured, or disable the 'remember me' feature.");
script_set_attribute(attribute:"agent", value:"all");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-4437");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'Apache Shiro v1.2.4 Cookie RememberME Deserial RCE');
script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2016/06/03");
script_set_attribute(attribute:"patch_publication_date", value:"2016/05/18");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/04/15");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:apache:shiro");
script_set_attribute(attribute:"thorough_tests", value:"true");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Misc.");
script_copyright(english:"This script is Copyright (C) 2022-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("shiro_jar_detection.nbin");
script_require_keys("installed_sw/Apache Shiro");
exit(0);
}
include('vcf.inc');
var app_info = vcf::get_app_info(app:'Apache Shiro');
var constraints = [
{'fixed_version' : '1.2.5'}
];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
99.8%