CVE-2023-50937 in PowerSC
Summary
by MITRE • 02/02/2024
IBM PowerSC 1.3, 2.0, and 2.1 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 275117.
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Analysis
by VulDB Data Team • 02/24/2024
The vulnerability identified as CVE-2023-50937 affects IBM PowerSC versions 1.3, 2.0, and 2.1, representing a critical cryptographic weakness that compromises the security of sensitive data. This issue falls under the broader category of weak cryptographic algorithms as classified by CWE-327, which specifically addresses the use of inadequate cryptographic algorithms that fail to provide sufficient protection against cryptographic attacks. The vulnerability stems from the implementation of cryptographic functions that do not meet modern security standards, creating exploitable weaknesses in the system's data protection mechanisms.
The technical flaw manifests in the use of cryptographic algorithms that are either deprecated, insufficiently strong, or improperly implemented within the IBM PowerSC platform. These weak cryptographic implementations create opportunities for attackers to perform decryption operations on protected data without proper authorization. The vulnerability allows adversaries to potentially access highly sensitive information that should remain protected through robust cryptographic means, representing a significant breach in the system's confidentiality controls. Attackers could exploit this weakness to recover plaintext data from encrypted communications or stored information, undermining the fundamental security assumptions of the platform.
The operational impact of CVE-2023-50937 extends beyond simple data exposure, as it affects the integrity of the entire cryptographic infrastructure within IBM PowerSC environments. Organizations relying on these versions may experience unauthorized data access, potential regulatory compliance violations, and increased risk of downstream attacks that leverage the compromised cryptographic state. The vulnerability's presence in multiple versions suggests a systemic issue within the cryptographic implementation that requires immediate attention and remediation across affected deployments. This weakness creates a persistent threat vector that could be exploited by sophisticated adversaries with sufficient resources and technical capability.
Mitigation strategies for this vulnerability should prioritize immediate patching and upgrading to supported versions of IBM PowerSC that implement strong cryptographic algorithms. Organizations must conduct comprehensive inventory assessments to identify all affected systems and implement proper cryptographic key management practices. The remediation process should include validation of cryptographic implementations against industry standards such as NIST SP 800-57 and FIPS 140-2 requirements. Security teams should also consider implementing additional monitoring and detection mechanisms to identify potential exploitation attempts and establish incident response procedures specifically addressing cryptographic compromise scenarios. This vulnerability demonstrates the critical importance of maintaining up-to-date cryptographic implementations and aligns with ATT&CK technique T1583.001 for creating or modifying existing cryptographic keys and T1566.001 for malicious code injection through cryptographic weakness exploitation.