Security Bulletin: IBM Event Streams is vulnerable to denial of service attacks due to snappy-java (CVE-2023-34453, CVE-2023-34455, CVE-2023-34454)

Summary

IBM Event Streams is affected by snappy-java vulnerabilities (CVE-2023-34453, CVE-2023-34455, CVE-2023-34454)

Vulnerability Details

**CVEID:**CVE-2023-34453 DESCRIPTION: snappy-java is vulnerable to a denial of service, caused by an integer overflow in the shuffle function. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258186 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-2023-34455 DESCRIPTION: snappy-java is vulnerable to a denial of service, caused by the use of an unchecked chunk length in the hasNextChunk function. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258190 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-2023-34454 DESCRIPTION: snappy-java is vulnerable to a denial of service, caused by an integer overflow in the compress function. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258188 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

IBM strongly recommends addressing the vulnerability now by upgrading

Upgrade to IBM Event Streams 11.2.3 by following the upgrading and migrating documentation.

Workarounds and Mitigations

None