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Security Bulletin: IBM App Connect Enterprise Certified Container may be affected by openssl vulnerabilities CVE-2021-23840 and CVE-2021-23841

Security Bulletin


Summary

IBM App Connect Enterprise Certified Container may be affected by denial of service vulnerabilties in all images dues to OpenSSL CVE-2021-23840 and CVE-2021-23841

Vulnerability Details

CVEID:   CVE-2021-23840
DESCRIPTION:   OpenSSL is vulnerable to a denial of service, caused by an integer overflow in CipherUpdate. By sending an overly long argument, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196848 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-2021-23841
DESCRIPTION:   OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference in the X509_issuer_and_serial_hash() function. By parsing the issuer field, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196847 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

Affected Product(s)Version(s)
App Connect Enterprise Certified Container1.1-eus with Operator
App Connect Enterprise Certified Container1.5 with Operator
App Connect Enterprise Certified Container2.0 with Operator
App Connect Enterprise Certified Container2.1 with Operator

Remediation/Fixes

App Connect Enterprise Certified Container 1.5, 2.0 and 2.1 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 3.0.0 or higher, and ensure that all components are at 12.0.2.0-r2 or higher.

App Connect Enterprise Certified Container 1.1 EUS (Extended Update Support)

Upgrade to App Connect Enterprise Certified Container Operator version 1.1.5 EUS or higher, and ensure that all components are at 11.0.0.15-r1-eus or higher.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

See https://www.ibm.com/support/pages/node/6239294 for information supported levels of the ACE Certified Container Operator

Change History

22 Dec 2021: 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:
06 January 2022

Initial Publish date:
22 December 2021

UID

ibm16538610

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