CVE-2002-1682 in Newsreactor
Summary
by MITRE
NewsReactor 1.0 uses a weak encryption scheme, which could allow local users to decrypt the passwords and gain access to other users newsgroup accounts.
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Analysis
by VulDB Data Team • 06/09/2018
The vulnerability described in CVE-2002-1682 affects NewsReactor 1.0, a newsgroup management system that employs a weak encryption scheme for password storage. This weakness creates a significant security risk that allows local attackers to decrypt stored passwords and potentially access other users' newsgroup accounts. The issue stems from inadequate cryptographic implementation within the application's authentication mechanisms, where password protection relies on insufficiently strong encryption algorithms that can be reverse-engineered or broken through conventional means. This vulnerability represents a critical flaw in the system's security architecture, as it directly undermines the confidentiality and integrity of user authentication data.
The technical flaw manifests in the application's use of weak encryption algorithms that fail to provide adequate protection for sensitive information. When NewsReactor 1.0 stores user passwords, it applies encryption that can be easily reversed by local users who possess sufficient knowledge of the system's implementation. This weakness typically involves the use of outdated or improperly implemented cryptographic functions that lack sufficient entropy and complexity to withstand cryptanalysis. The vulnerability aligns with CWE-327, which addresses the use of weak cryptographic algorithms, and specifically relates to the improper implementation of encryption mechanisms that fail to provide adequate security guarantees. The system's failure to employ industry-standard encryption practices creates an exploitable condition where attackers can recover plaintext passwords from encrypted storage.
The operational impact of this vulnerability extends beyond simple password recovery, as it enables unauthorized access to newsgroup accounts and potentially allows attackers to manipulate or access sensitive information within those accounts. Local users who can exploit this weakness gain the ability to impersonate other users, read private messages, post content under false identities, and potentially compromise the integrity of the newsgroup system. This creates a significant risk for organizations or individuals relying on NewsReactor for secure communication channels, as the vulnerability effectively nullifies the authentication mechanisms that should protect user accounts. The attack vector is particularly concerning because it requires only local system access, making it accessible to users with basic system privileges who may not have direct administrative access to the newsgroup system.
Mitigation strategies for this vulnerability must address the core cryptographic weakness in the NewsReactor 1.0 implementation. Organizations should immediately upgrade to a newer version of the software that implements strong encryption algorithms such as bcrypt, scrypt, or PBKDF2 for password hashing, rather than relying on weak encryption schemes. The recommended approach involves replacing the existing weak encryption with industry-standard password hashing functions that incorporate salt values and sufficient computational cost to resist brute-force attacks. Additionally, implementing proper access controls and privilege separation can help limit the impact of local users who might attempt to exploit this weakness. Security measures should also include regular audits of authentication mechanisms and the implementation of monitoring systems to detect unauthorized access attempts. The vulnerability demonstrates the critical importance of following established security standards and practices, particularly those outlined in the NIST guidelines for cryptographic standards and the ATT&CK framework's approach to credential access techniques that exploit weak encryption implementations.