Vulnerabilities > CVE-2019-11542 - Out-of-bounds Write vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
HIGH Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2, 5.4RX before 5.4R7.1, 5.3RX before 5.3R12.1, 5.2RX before 5.2R12.1, and 5.1RX before 5.1R15.1, an authenticated attacker (via the admin web interface) can send a specially crafted message resulting in a stack buffer overflow.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Nessus
NASL family Misc. NASL id PULSE_POLICY_SECURE-SA-44101.NASL description According to its self-reported version, the version of Pulse Policy Secure running on the remote host is affected by multiple vulnerabilities. - A session hijacking vulnerability exists in PPS. An unauthenticated, remote attacker can exploit this, to perform actions in the user or administrator interface with the privileges of another user. (CVE-2019-11540) - Multiple vulnerabilities found in the admin web interface of PPS (CVE-2019-11543, CVE-2019-11542, CVE-2019-11539, CVE-2019-11509) - Multiple vulnerabilities found in Network File Share (NFS) of PPS , allows the attacker to read/write arbitrary files on the affected device. (CVE-2019-11538, CVE-2019-11508) Refer to the vendor advisory for additional information. last seen 2020-06-01 modified 2020-06-02 plugin id 124767 published 2019-05-10 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/124767 title Pulse Policy Secure Multiple Vulnerabilities (SA44101) code # # (c) Tenable Network Security, Inc. # include("compat.inc"); if (description) { script_id(124767); script_version("1.7"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/07/31"); script_cve_id( "CVE-2019-11509", "CVE-2019-11539", "CVE-2019-11540", "CVE-2019-11542", "CVE-2019-11543" ); script_bugtraq_id(108073); script_xref(name:"IAVA", value:"2019-A-0309-S"); script_xref(name:"IAVA", value:"0001-A-0001"); script_name(english:"Pulse Policy Secure Multiple Vulnerabilities (SA44101)"); script_summary(english:"Checks PPS version."); script_set_attribute(attribute:"synopsis", value: "The remote host is affected by multiple vulnerabilities."); script_set_attribute(attribute:"description", value: "According to its self-reported version, the version of Pulse Policy Secure running on the remote host is affected by multiple vulnerabilities. - A session hijacking vulnerability exists in PPS. An unauthenticated, remote attacker can exploit this, to perform actions in the user or administrator interface with the privileges of another user. (CVE-2019-11540) - Multiple vulnerabilities found in the admin web interface of PPS (CVE-2019-11543, CVE-2019-11542, CVE-2019-11539, CVE-2019-11509) - Multiple vulnerabilities found in Network File Share (NFS) of PPS , allows the attacker to read/write arbitrary files on the affected device. (CVE-2019-11538, CVE-2019-11508) Refer to the vendor advisory for additional information."); # https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?d23f9165"); script_set_attribute(attribute:"solution", value: "Upgrade to the appropriate version referenced in the advisory."); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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-2019-11540"); 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:'Pulse Secure VPN Arbitrary Command Execution'); script_set_attribute(attribute:"exploit_framework_metasploit", value:"true"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/09"); script_set_attribute(attribute:"patch_publication_date", value:"2019/05/09"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/10"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/a:pulse_secure:pulse_policy_secure"); script_set_attribute(attribute:"stig_severity", value:"I"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Misc."); script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_dependencies("pulse_policy_secure_detect.nbin"); script_require_keys("installed_sw/Pulse Policy Secure"); exit(0); } include("vcf.inc"); app_info = vcf::get_app_info(app:'Pulse Policy Secure', port:443); constraints = [ {'min_version' : '5.1R1' , 'fixed_version' : '5.1R15.1'}, {'min_version' : '5.2R1' , 'fixed_version' : '5.2R12.1'}, {'min_version' : '5.3R1' , 'fixed_version' : '5.3R12.1'}, {'min_version' : '5.4R1' , 'fixed_version' : '5.4R7.1.'}, {'min_version' : '9.0R1' , 'fixed_version' : '9.0R3.2', 'display_version' : '9.0R3.2 / 9.0R4' } ]; vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);
NASL family Misc. NASL id PULSE_CONNECT_SECURE-SA-44101.NASL description According to its self-reported version, the version of Pulse Connect Secure running on the remote host is affected by multiple vulnerabilities. - An arbitrary file read vulnerability exists in PCS. An unauthenticated, remote attacker can exploit this, via specially crafted URI, to read arbitrary files and disclose sensitive information. (CVE-2019-11510) - Multiple vulnerabilities are found in Ghostscript.(CVE-2018-16513 , CVE-2018-18284, CVE-2018-15911, CVE-2018-15910, CVE-2018-15909) - A session hijacking vulnerability exists in PCS. An unauthenticated, remote attacker can exploit this, to perform actions in the user or administrator interface with the privileges of another user. (CVE-2019-11540) - An authentication leaks seen in users using SAML authentication with the reuse existing NC (Pulse) session option. (CVE-2019-11541) - Multiple vulnerabilities found in the admin web interface of PCS. (CVE-2019-11543, CVE-2019-11542, CVE-2019-11509, CVE-2019-11539) - Multiple vulnerabilities found in Network File Share (NFS) of PCS , allows the attacker to read/write arbitrary files on the affected device. (CVE-2019-11538, CVE-2019-11508) - A cross-site scripting (XSS) vulnerability exists in application launcher page due to improper validation of user-supplied input before returning it to users. An attacker can exploit this, by convincing a user to click a specially crafted URL, to execute arbitrary script code in a user last seen 2020-06-01 modified 2020-06-02 plugin id 124766 published 2019-05-10 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/124766 title Pulse Connect Secure Multiple Vulnerabilities (SA44101)
References
- http://www.securityfocus.com/bid/108073
- http://www.securityfocus.com/bid/108073
- https://devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/
- https://devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/
- https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
- https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
- https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0010
- https://www.kb.cert.org/vuls/id/927237
- https://www.kb.cert.org/vuls/id/927237