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

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

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