CVE-2014-1571 in Bugzilla
Summary
by MITRE
Bugzilla 2.x through 4.0.x before 4.0.15, 4.1.x and 4.2.x before 4.2.11, 4.3.x and 4.4.x before 4.4.6, and 4.5.x before 4.5.6 allows remote authenticated users to obtain sensitive private-comment information by leveraging a role as a flag recipient, related to Bug.pm, Flag.pm, and a mail template.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 02/21/2022
The vulnerability identified as CVE-2014-1571 represents a critical information disclosure flaw within the Bugzilla bug tracking system that affected multiple version branches from 2.0 through 4.5. This vulnerability specifically targets the system's handling of private comments and flag notifications, creating a scenario where authenticated users could access sensitive information they should not be authorized to view. The flaw exists in the core Bug.pm, Flag.pm modules, and mail template processing components that govern how bug reports and their associated flags are communicated to users. The vulnerability is particularly concerning because it leverages existing user roles and permissions rather than requiring new attack vectors, making it exploitable by legitimate users who have flag recipient privileges within the system.
The technical implementation of this vulnerability stems from insufficient access control validation within the flag notification system. When users with flag recipient roles receive notifications about bugs, the system fails to properly verify whether these users should have access to the private comments associated with those bugs. This occurs during the mail template generation process where sensitive information is included in notifications without proper authorization checks. The flaw essentially allows a user who has been granted the ability to receive flag notifications to potentially access private comment data that should be restricted to specific user groups or bug reporters. This represents a violation of the principle of least privilege and demonstrates inadequate input validation and access control mechanisms within the Bugzilla application's permission model.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can lead to significant privacy breaches and potential security compromises within organizations that rely on Bugzilla for their bug tracking and development processes. Attackers could exploit this vulnerability to gain insights into sensitive project information, security vulnerabilities being addressed, or internal development discussions that should remain confidential. The vulnerability affects organizations using Bugzilla in environments where private comments contain sensitive information such as security vulnerabilities, intellectual property details, or strategic business information. This type of vulnerability can be particularly damaging in regulated environments where compliance with data protection standards requires strict control over information access and disclosure.
Organizations affected by this vulnerability should immediately apply the relevant patches released by the Bugzilla project, specifically upgrading to versions 4.0.15, 4.2.11, 4.4.6, or 4.5.6 respectively. The remediation process involves updating the Bug.pm and Flag.pm modules along with the mail template processing components to implement proper access control checks before including private comment information in flag notifications. Security teams should conduct thorough audits of their Bugzilla installations to identify any users with flag recipient roles who might be exploited through this vulnerability. Additionally, organizations should review their existing access control policies and consider implementing more granular permissions for flag recipients to minimize potential exposure. This vulnerability aligns with CWE-284, which addresses improper access control, and maps to ATT&CK technique T1078 for valid accounts and privilege escalation through legitimate user permissions. The vulnerability demonstrates how insufficient access control validation in notification systems can create persistent security weaknesses that can be exploited by insiders or compromised accounts to gain unauthorized access to sensitive information.