#VU82583 Observable discrepancy in GSKit-Crypto - CVE-2023-33850

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Main Vulnerability Database Vulnerabilities #VU82583

#VU82583 Observable discrepancy in GSKit-Crypto - CVE-2023-33850

Published: October 31, 2023


Vulnerability identifier: #VU82583
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-33850
CWE-ID: CWE-203
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
GSKit-Crypto
Software vendor:
IBM Corporation

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to timing-based side channel in the RSA Decryption implementation. A remote attacker can send an overly large number of trial messages for decryption and gain unauthorized access to sensitive information on the system.


Remediation

Install updates from vendor's website.

External links