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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.3959 Multiple Vulnerabilities affect IBM Sterling Secure Proxy 21 December 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Sterling Secure Proxy Publisher: IBM Operating System: AIX HP-UX Linux variants Solaris Windows Impact/Access: Access Privileged Data -- Remote/Unauthenticated Cross-site Scripting -- Remote with User Interaction Provide Misleading Information -- Remote/Unauthenticated Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-11775 CVE-2017-7658 CVE-2017-7657 CVE-2017-7656 Reference: ESB-2018.3913 ESB-2018.3744 ESB-2018.3163 ESB-2018.2543 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10792111 - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: Multiple Vulnerabilities affect IBM Sterling Secure Proxy Security Bulletin Document information More support for: Sterling Secure Proxy Software version: 3.4.3, 3.4.2 Operating system(s): AIX, HP-UX, Linux, Solaris, Windows Reference #: 0792111 Modified date: 19 December 2018 Summary Three Jetty request smuggling vulnerabilities and an Apache ActiveMQ man-in-the-middle vulnerability were addressed by IBM Sterling Secure Proxy. Vulnerability Details CVE-ID: CVE-2017-7656 Description: Eclipse Jetty is vulnerable to HTTP request smuggling, caused by a flaw in the HTTP/1.x Parser. By sending a specially-crafted request, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks. CVSS Base Score: 6.5 CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 145520 for more information CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N) CVE-ID: CVE-2017-7657 Description: Eclipse Jetty is vulnerable to HTTP request smuggling, caused by improper handling of Chunked Transfer-Encoding chunk size. By sending a specially-crafted request, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks. CVSS Base Score: 6.5 CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 145521 for more information CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N) CVE-ID: CVE-2017-7658 Description: Eclipse Jetty is vulnerable to HTTP request smuggling, caused by a flaw when handling more than one Content-Length headers. By sending a specially-crafted request, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks. CVSS Base Score: 6.5 CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 145522 for more information CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N) CVE-ID: CVE-2018-11775 Description: Apache ActiveMQ Client could allow a remote attacker to conduct a man-in-the-middle attack, caused by a missing TLS hostname verification. An attacker could exploit this vulnerability to launch a man-in-the-middle attack between a Java application using the ActiveMQ client and the ActiveMQ server. CVSS Base Score: 5.9 CVSS Temporal Score: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 149705 for more information CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N) Affected Products and Versions IBM Sterling Secure Proxy 3.4.3 through 3.4.3.2 iFix 2 IBM Sterling Secure Proxy 3.4.2 through 3.4.2 iFix 15 Remediation/Fixes Product VRMF APAR How to acquire fix IBM Sterling Secure Proxy 3.4.3.2 iFix 3 Fix Central IBM Sterling Secure Proxy 3.4.2.0 iFix 16 Fix Central Workarounds and Mitigations None. Important Note IBM strongly suggests that all System z customers be subscribed to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk. Reference Complete CVSS v3 Guide On-line Calculator v3 Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 19 December 2018: Original version published *The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin. Disclaimer According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXByBeWaOgq3Tt24GAQj9Jg//SGR6/p5id9igNO1D3Y8UC8MqP5D1FH52 UbcfqyQRquthbe0lE7JmZfQ9JOmMZamXsFDfni+EVQzJNjKRD8fa2PF0daYwbuS5 FzpfgMaPkNOQtKrdNLNIDNYmm0vy2tuZaKB0FzSKiGadnoy7YDhr2DB4PfMUABG3 Z4gldLl9GQ9XrJAjJ5Ne6rwuDbHKsRObcooWicmpPBCjMWXD65lM+vi2YLLquT1s tPEksd8sBM38uIoYLb4EJ/Lm84Jx3yqF9q8fvPYj29RZOhUfKI8cgtwqrFGLfT+q Xxo46n2G8Lwuvl58YWjYqLqooRADmaLhaiuiuw1QYdUDIwLWS4TFDlId8lpTEaGZ 8qnfHA9tNZSllho37068u7RvO09RmrAYxgh733we0Dpx21tUyVW7jZabpPevUFEc RZLJpZWW6P0DsUMKN5EjWKzd7Jh15a4FnNrDPsZAqrZupr+8Z5pKxbiY5E/C60V0 ikaSRkJVAmQnQGMVA0pDTwqvHs+a80H31J9RrsELpifIqovR6rDXeCAIb2wsBs+m xKVKOjs5awdH+lCgdPNI+EFIlmZndKTxDkvEXsPWp6nGeiev5JuIpb6by1NFgQw3 ncgcsuMFqeTe2PZFKIG+0UI3UYIIBaiGabjwXVp7ItXR4EGL/jETFmCjSzsxWhzv rutQqUI/mTk= =T8iO -----END PGP SIGNATURE-----