Security Bulletin
Summary
App Connect Enterprise Certified Container when running Desginer flows may be vulnerable to Denial of Service via to CVE-2020-8237, HTTP request smuggling via CVE-2020-8201 or buffer overflows via CVE-2020-8252.
Vulnerability Details
CVEID: CVE-2020-8237
DESCRIPTION: Node.js json-bigint module is vulnerable to a denial of service, caused by a prototype pollution flaw. By adding or modifying Object properties, a remote attacker could exploit this vulnerability cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188526 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)
CVEID: CVE-2020-8201
DESCRIPTION: Node.js is vulnerable to HTTP request smuggling, caused by CR-to-Hyphen conversion. By sending specially crafted HTTP request headers, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188591 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)
CVEID: CVE-2020-8252
DESCRIPTION: Node.js is vulnerable to a buffer overflow, caused by improper bounds checking by the libuv's fs.realpath.native. By sending an overly long argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.
CVSS Base score: 7.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188593 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Affected Products and Versions
Affected Product(s) | Version(s) |
App Connect Enterprise Certified Container | 1.0.0 with Operator |
App Connect Enterprise Certified Container | 1.0.1 with Operator |
App Connect Enterprise Certified Container | 1.0.2 with Operator |
App Connect Enterprise Certified Container | 1.0.3 with Operator |
App Connect Enterprise Certified Container | 1.0.4 with Operator |
App Connect Enterprise Certified Container | 1.0.5 with Operator |
Remediation/Fixes
Upgrade to App Connect Enterprise Certified Container to Operator version 1.1.0 (available in CASE 1.1.0) or higher, and ensure that all components are upgraded to 11.0.0.10-r3 or higher.
Workarounds and Mitigations
None
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References
Change History
15 Dec 2020: Initial Publication
*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
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
15 December 2020
UID
ibm16382230