SB2025070232 - Multiple vulnerabilities in IBM PowerVC



SB2025070232 - Multiple vulnerabilities in IBM PowerVC

Published: July 2, 2025

Security Bulletin ID SB2025070232
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2023-49083)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when calling the load_pem_pkcs7_certificates() or load_der_pkcs7_certificates() functions. A remote attacker can pass specially crafted PKCS7 blob/certificate certificate to the application and perform a denial of service (DoS) attack.


2) Observable discrepancy (CVE-ID: CVE-2023-50782)

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

The vulnerability exists due to excessive data output by the application. A remote attacker can decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.


Remediation

Install update from vendor's website.