CVE-2001-1252 in Keyserver
Summary
by MITRE
Network Associates PGP Keyserver 7.0 allows remote attackers to bypass authentication and access the administrative web interface via URLs that directly access cgi-bin instead of keyserver/cgi-bin for the programs (1) console, (2) cs, (3) multi_config and (4) directory.
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Analysis
by VulDB Data Team • 09/27/2025
The vulnerability described in CVE-2001-1252 affects Network Associates PGP Keyserver version 7.0, a cryptographic key management system that was widely used for distributing and managing public key certificates. This issue represents a critical authentication bypass flaw that allows remote attackers to gain unauthorized access to the administrative web interface of the system. The vulnerability specifically stems from the improper handling of URL paths within the web application's directory structure, creating a pathway for unauthorized access to privileged administrative functions.
The technical flaw manifests in the way the PGP Keyserver handles web requests to administrative components. Rather than requiring proper authentication through the designated authentication mechanisms within the keyserver/cgi-bin directory structure, attackers can directly access administrative CGI scripts by bypassing the normal authentication flow. The vulnerable programs include console, cs, multi_config, and directory utilities which are typically protected through proper authentication channels but can be accessed directly through URLs that point to the cgi-bin directory without authentication. This direct access bypasses the intended security controls and allows attackers to execute administrative functions without proper authorization.
The operational impact of this vulnerability is severe as it provides attackers with complete administrative control over the PGP Keyserver instance. With access to the administrative interface, attackers can modify key configurations, add or remove users, alter access controls, and potentially compromise the entire key management infrastructure. This represents a significant risk to organizations that rely on PGP Keyserver for secure communications and key distribution, as the compromise of administrative access can lead to widespread security breaches and unauthorized access to encrypted communications. The vulnerability essentially provides a backdoor into the administrative functions of the system, making it particularly dangerous for environments where key management security is paramount.
This vulnerability aligns with CWE-284, which describes improper access control issues in software systems. The flaw represents a classic case of insufficient authorization checks where the system fails to properly validate user credentials before granting access to privileged functions. From an ATT&CK framework perspective, this vulnerability maps to T1078 - Valid Accounts and T1566 - Phishing, as attackers can leverage this flaw to obtain administrative access and potentially use it as a foothold for further attacks. Organizations should implement immediate mitigations including restricting direct access to cgi-bin directories, implementing proper authentication mechanisms, and ensuring that administrative interfaces are properly protected through network segmentation and access control lists. The vulnerability also highlights the importance of proper input validation and access control implementation in web applications, particularly those handling sensitive cryptographic functions.