Security Bulletin: IBM Event Streams is affected by multiple Semaru Java vulnerabilities

Summary

IBM Event Streams has addressed the following IBM Semaru Java vulnerabilities before version 17.0.7.0 (CVE-2023-21930, CVE-2023-21967, CVE-2023-21954, CVE-2023-21939, CVE-2023-21968, CVE-2023-21937, CVE-2023-21938, CVE-2023-2597)

Vulnerability Details

CVEID:CVE-2023-21930
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the JSSE component could allow an unauthenticated attacker to cause high confidentiality impact and high integrity impact.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253115 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-2023-21967
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the Hotspot component could allow a remote attacker to cause high confidentiality impact.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253166 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2023-21954
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the JSSE component could allow a remote attacker to cause high availability impact.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253156 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2023-21939
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the Swing component could allow a remote attacker to cause integrity impact.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253168 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2023-21968
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE and GraalVM Enterprise Edition related to the Libraries component could allow an unauthenticated attacker to cause low integrity impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253083 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2023-21937
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the Networking component could allow a remote attacker to cause integrity impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253167 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2023-21938
**DESCRIPTION:**An unspecified vulnerability in Oracle Java SE, Oracle GraalVM Enterprise Edition related to the Libraries component could allow a remote attacker to cause integrity impact.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/253155 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2023-2597
**DESCRIPTION:**Eclipse Openj9 is vulnerable to a buffer overflow, caused by improper bounds checking by the getCachedUTFString() function. By using specially crafted input, a local authenticated attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/255906 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading

Upgrade to IBM Event Streams 11.2.1 by following the upgrading and migrating documentation.

Workarounds and Mitigations

None