CVE-2003-1391 in Cryptobuddy
Summary
by MITRE
RTS CryptoBuddy 1.0 and 1.2 uses a weak encryption algorithm for the passphrase and generates predictable keys, which makes it easier for attackers to guess the passphrase.
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Analysis
by VulDB Data Team • 06/16/2018
The vulnerability described in CVE-2003-1391 affects RTS CryptoBuddy versions 1.0 and 1.2, which implement a weak encryption algorithm for passphrase protection. This weakness stems from the implementation of predictable key generation mechanisms that significantly reduce the security posture of the encryption system. The flaw represents a fundamental failure in cryptographic implementation that directly undermines the confidentiality guarantees expected from encryption software.
The technical flaw manifests in the use of a weak encryption algorithm that produces predictable cryptographic keys when processing user passphrases. This vulnerability falls under the category of weak cryptographic algorithms as defined by CWE-327, specifically addressing the use of inadequate encryption methods that can be easily broken through brute force or pattern analysis attacks. The predictable key generation means that attackers can potentially reverse engineer the encryption process without requiring extensive computational resources or advanced cryptanalytic techniques.
From an operational impact perspective, this vulnerability creates significant security risks for users who rely on RTS CryptoBuddy for data protection. The predictable nature of the encryption keys means that an attacker with access to encrypted data can systematically attempt to guess the passphrase through dictionary attacks or rainbow table lookups. This weakness directly violates the principle of confidentiality in information security and makes the system vulnerable to various attack vectors including credential stuffing and password reuse attacks as outlined in the ATT&CK framework under credential access techniques.
The vulnerability represents a critical flaw in the cryptographic implementation that should have been addressed through proper key derivation functions and strong encryption algorithms. Security practitioners should note that this type of vulnerability demonstrates the importance of following established cryptographic standards and avoiding custom implementations that have not undergone proper security review. The impact extends beyond individual user data to potentially compromise entire systems where this software is deployed, particularly in environments where passphrase reuse is common.
Organizations using affected versions of RTS CryptoBuddy should immediately implement mitigations including upgrading to patched versions, implementing additional layers of security controls, and re-encrypting any sensitive data that may have been protected using the vulnerable encryption method. The vulnerability serves as a reminder of the critical importance of proper cryptographic implementation and the necessity of following industry standards such as NIST guidelines for encryption algorithm selection and key management practices. This weakness highlights the broader issue of cryptographic misimplementation that continues to affect software systems across various domains and underscores the need for comprehensive security testing and code review processes.