CVE-2012-6580 in Request Tracker
Summary
by MITRE
Best Practical Solutions RT 3.8.x before 3.8.15 and 4.0.x before 4.0.8, when GnuPG is enabled, does not ensure that the UI labels unencrypted messages as unencrypted, which might make it easier for remote attackers to spoof details of a message s origin or interfere with encryption-policy auditing via an e-mail message to a queue s address.
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Analysis
by VulDB Data Team • 01/04/2022
The vulnerability identified as CVE-2012-6580 affects Best Practical Solutions RT versions 3.8.x prior to 3.8.15 and 4.0.x prior to 4.0.8 when GnuPG encryption is enabled. This security flaw resides in the message handling and user interface presentation logic of the RT ticketing system, which is widely used for issue tracking and incident management in enterprise environments. The vulnerability specifically impacts how the system displays message encryption status to users, creating a potential deception vector that could be exploited by malicious actors to manipulate communication integrity.
The technical flaw stems from the application's failure to properly validate and display encryption status indicators for email messages processed through the system. When GnuPG encryption is enabled, the system should consistently and accurately present whether messages are encrypted or unencrypted to users through clear UI labels. However, in affected versions, the user interface does not reliably ensure that unencrypted messages are clearly labeled as such, creating ambiguity in message authentication. This behavior violates fundamental security principles of clear and unambiguous user interface design, particularly when dealing with cryptographic operations that affect message integrity and authenticity.
The operational impact of this vulnerability extends beyond simple user confusion to potential security compromise scenarios. Remote attackers could exploit this weakness to spoof message origins by sending unencrypted messages that appear to be encrypted, thereby misleading recipients about the true nature of communications. The vulnerability undermines encryption-policy auditing capabilities that organizations rely upon for compliance and security monitoring purposes. Security teams conducting audits of encrypted communications would find their efforts compromised when unencrypted messages are not clearly distinguished from encrypted ones, potentially masking unauthorized or improper communication practices within the organization.
This vulnerability aligns with CWE-693, which addresses protection mechanism failures in user interfaces, and relates to the broader category of security misconfiguration issues. The flaw also connects to ATT&CK technique T1566, which covers social engineering tactics involving email-based attacks. Organizations using RT systems with GnuPG enabled face increased risk of man-in-the-middle attacks, message tampering, and credential compromise through email spoofing. The vulnerability's impact is particularly concerning in regulated environments where audit trails and encryption compliance are mandatory, as the system's inability to properly label encryption status directly undermines these security controls.
The recommended mitigation strategy involves upgrading to RT versions 3.8.15 or 4.0.8, which contain the necessary patches to ensure proper UI labeling of encrypted and unencrypted messages. Organizations should also implement additional monitoring procedures to detect anomalies in communication patterns that might indicate exploitation attempts. Security teams should review their existing encryption policies and audit procedures to account for this potential weakness in message authentication. Network administrators should consider implementing additional email filtering and validation mechanisms to provide defense-in-depth against potential exploitation attempts. Regular security assessments of the RT system should include verification that encryption status indicators are properly displayed and that users can reliably distinguish between encrypted and unencrypted communications.