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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2641 Security Bulletins: IBM Integration Bus and IBM App Connect Enterprise v11 are affected by vulnerabilities in Node.js 5 August 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Integration Bus IBM App Connect Enterprise Publisher: IBM Operating System: Linux variants Windows AIX Impact/Access: Denial of Service -- Remote/Unauthenticated Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-27290 CVE-2021-23362 CVE-2021-22884 CVE-2021-22883 Reference: ASB-2021.0138 ASB-2021.0096 ESB-2021.0814 ESB-2021.0686 Original Bulletin: https://www.ibm.com/support/pages/node/6463977 https://www.ibm.com/support/pages/node/6466321 https://www.ibm.com/support/pages/node/6463295 Comment: This bulletin contains three (3) IBM security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- Security Bulletin: IBM Integration Bus & IBM App Connect Enterprise V11 are affected by vulnerabilities in Node.js (CVE-2021-22884, CVE-2021-22883) Document Information Product: IBM Integration Bus Software version: - Operating system(s): Linux, Windows Document number: 6463977 Modified date: 04 August 2021 Summary IBM Integration Bus & IBM App Connect Enterprise V11 ship with Node.js for which vulnerabilities were reported and have been addressed. Vulnerability details are listed below. Vulnerability Details CVEID: CVE-2021-22884 DESCRIPTION: Node.js is vulnerable to a denial of service, caused by an error when the whitelist includes "localhost6". By controlling the victim&# 39;s DNS server or spoofing its responses, an attacker could exploit this vulnerability to bypass the DNS rebinding protection mechanism using the " localhost6" domain and cause a denial of service. CVSS Base score: 6.5 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 197191 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H) CVEID: CVE-2021-22883 DESCRIPTION: Node.js is vulnerable to a denial of service, caused by a file descriptor leak. By making multiple attempts to connect with an ' unknownProtocol', an attacker could exploit this vulnerability to lead to an excessive memory usage and cause the system to run out of memory. CVSS Base score: 7.5 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 197190 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions IBM Integration Bus V10.0.0 - V10.0.0.23 (Linux x86-64 and Windows x86-64 only) IBM App connect Enterprise V11 , V11.0.0.0 - V11.0.0.12 Remediation/Fixes +--------------+--------------------+----------+-----------------------------+ | Product | VRMF |APAR | Remediation / Fix | +--------------+--------------------+----------+-----------------------------+ | | | |The APAR is available in fix | |IBM App | | |pack 11.0.0.13 | |Connect |V11.0.0.0-V11.0.0.12|IT36998 |IBM App Connect Enterprise | |Enterprise | | |Version V11-Fix Pack | | | | |11.0.0.13 | +--------------+--------------------+----------+-----------------------------+ |IBM |V10.0.0.0 - | |Interim fix for APAR IT36322 | |Integration |V10.0.0.23 |IT36322 |is available from | |Bus | | |IBM Fix Central | +--------------+--------------------+----------+-----------------------------+ Workarounds and Mitigations None Acknowledgement Change History 15 Jun 2021: Initial Publication - -------------------------------------------------------------------------------- IBM Integration Bus and IBM App Connect Enterprise v11 are affected by vulnerabilities in Node.js (CVE-2021-23362) Document Information Document number : 6466321 Modified date : 04 August 2021 Product : IBM Integration Bus Component : - Software version : - Operating system(s): Linux AIX Windows Mobile Summary IBM Integration Bus & IBM App Connect Enterprise V11 ship with Node.js for which vulnerabilities were reported and have been addressed. Vulnerability details are listed below. Vulnerability Details CVEID: CVE-2021-23362 DESCRIPTION: Node.js hosted-git-info module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the fromUrl function in index.js. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition. CVSS Base score: 7.5 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 198792 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions IBM Integration Bus V10.0.0 - V10.0.0.23 (Linux x86-64 and Windows x86-64 only) IBM App connect Enterprise V11 , V11.0.0.0 - V11.0.0.12 Remediation/Fixes +--------------+--------------------+----------+-----------------------------+ | Product | VRMF |APAR | Remediation / Fix | +--------------+--------------------+----------+-----------------------------+ | | | |The APAR is available in fix | |IBM App | | |pack 11.0.0.13 | |Connect |V11.0.0.0-V11.0.0.12|IT36998 |IBM App Connect Enterprise | |Enterprise | | |Version V11-Fix Pack | | | | |11.0.0.13 | +--------------+--------------------+----------+-----------------------------+ |IBM |V10.0.0.0 - | |Interim fix for APAR IT36322 | |Integration |V10.0.0.23 |IT36322 |is available from | |Bus | | |IBM Fix Central | +--------------+--------------------+----------+-----------------------------+ Workarounds and Mitigations None Acknowledgement Change History 22 Jun 2021: Initial Publication - -------------------------------------------------------------------------------- IBM Integration Bus & IBM App Connect Enterprise V11 are affected by vulnerabilities in Node.js (CVE-2021-27290) Document Information Document number : 6463295 Modified date : 04 August 2021 Product : IBM Integration Bus Component : - Software version : - Operating system(s): Linux Windows Summary IBM Integration Bus & IBM App Connect Enterprise V11 ship with Node.js for which vulnerabilities were reported and have been addressed. Vulnerability details are listed below. Vulnerability Details CVEID: CVE-2021-27290 DESCRIPTION: Node.js ssri module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw by the SRIs. By sending a specially-crafted regex string, a remote attacker could exploit this vulnerability to cause a denial of service condition. CVSS Base score: 7.5 CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/ 198144 for the current score. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) Affected Products and Versions IBM Integration Bus V10.0.0 - V10.0.0.23 (Linux x86-64 and Windows x86-64 only) IBM App connect Enterprise V11 , V11.0.0.0 - V11.0.0.12 Remediation/Fixes +--------------+--------------------+----------+-----------------------------+ | Product | VRMF |APAR | Remediation / Fix | +--------------+--------------------+----------+-----------------------------+ | | | |The APAR is available in fix | |IBM App | | |pack 11.0.0.13 | |Connect |V11.0.0.0-V11.0.0.12|IT36998 |IBM App Connect Enterprise | |Enterprise | | |Version V11-Fix Pack | | | | |11.0.0.13 | +--------------+--------------------+----------+-----------------------------+ |IBM |V10.0.0.0 - | |Interim fix for APAR IT36322 | |Integration |V10.0.0.23 |IT36322 |is available from | |Bus | | |IBM Fix Central | +--------------+--------------------+----------+-----------------------------+ Workarounds and Mitigations None Acknowledgement Change History 10 Jun 2021: Initial Publication - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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