Security Bulletin: IBM Rational® Application Developer for WebSphere® Software is vulnerable to a remote attack to obtain sensitive information due to an algorithm decryption implementation

Summary

IBM® SDK, Java™ Technology Edition, is used by IBM Rational® Application Developer for WebSphere® Software as the runtime and development kit. (CVE-2023-33850)

Vulnerability Details

CVEID:CVE-2023-33850
**DESCRIPTION:**IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information. IBM X-Force ID: 257132.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/257132 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now.

Download interim fix Rational-RAD-Java8SR8FP20_RAD_RSA-ifix.

Workarounds and Mitigations

None