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Security Bulletin: App Connect Enterprise Certified Container may be vulnerable to buffer overflows, Denial of Service or HTTP request smuggling

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 Container1.0.0 with Operator
App Connect Enterprise Certified Container1.0.1 with Operator
App Connect Enterprise Certified Container1.0.2 with Operator
App Connect Enterprise Certified Container1.0.3 with Operator
App Connect Enterprise Certified Container1.0.4 with Operator
App Connect Enterprise Certified Container1.0.5 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

Get Notified about Future Security Bulletins

References

Off

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

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.

Document Location

Worldwide

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Document Information

Modified date:
15 December 2020

UID

ibm16382230