17 April 2020
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.1360 Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server 17 April 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM HTTP Server Publisher: IBM Operating System: HP-UX Solaris Windows Linux variants AIX Impact/Access: Provide Misleading Information -- Remote with User Interaction Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-1934 CVE-2020-1927 Original Bulletin: https://www.ibm.com/support/pages/node/6191631 - --------------------------BEGIN INCLUDED TEXT-------------------- Multiple vulnerabilities in IBM HTTP Server used by WebSphere Application Server Security Bulletin Summary There are multiple vulnerabilities in the IBM HTTP Server used by WebSphere Application Server. This has been addressed. Vulnerability Details CVEID: CVE-2020-1927 DESCRIPTION: Apache HTTP Server could allow a remote attacker to conduct phishing attacks, caused by an open redirect vulnerability in the mod_rewrite module. An attacker could exploit this vulnerability using a specially-crafted URL to redirect a victim to arbitrary Web sites. CVSS Base score: 7.4 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 178936 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N) CVEID: CVE-2020-1934 DESCRIPTION: Apache HTTP Server could allow a remote attacker to execute arbitrary code on the system, caused by the use of uninitialized value in mod_proxy_ftp. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code or cause a denial of service condition on the system. CVSS Base score: 8.1 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 178937 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H) Affected Products and Versions This vulnerability affects the following version and release of IBM HTTP Server (powered by Apache) component in all editions of WebSphere Application Server and bundling products. +--------------------+--------+ |Affected Product(s) |Versions| +--------------------+--------+ |IBM HTTP Server |9.0 | +--------------------+--------+ |IBM HTTP Server |8.5 | +--------------------+--------+ |IBM HTTP Server |8.0 | +--------------------+--------+ |IBM HTTP Server |7.0 | +--------------------+--------+ Remediation/Fixes For IBM HTTP Server used by WebSphere Application Server: For V22.214.171.124 through 126.96.36.199: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH21992 . Apply Fix Pack 188.8.131.52 or later (targeted availability 2Q2020). For V184.108.40.206 through 220.127.116.11: . Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix PH21992 - --OR-- . Apply Fix Pack 18.104.22.168 or later (targeted availability 3Q2020). For V22.214.171.124 through 126.96.36.199: . Upgrade to 188.8.131.52 and then apply Interim Fix PH21992 For V184.108.40.206 through 220.127.116.11: . Upgrade to 18.104.22.168 and then apply Interim Fix PH21992 Additional interim fixes may be available and linked off the interim fix download page. IBM HTTP Server V7.0 and V8.0 are no longer in full support; IBM recommends upgrading to a fixed, supported version/release/platform of the product. 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. Workarounds and Mitigations None Get Notified about Future Security Bulletins References - --------------------------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 firstname.lastname@example.org 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. 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