CVE-2023-32207 in Thunderbird
Summary
by MITRE • 06/02/2023
A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 06/20/2025
This vulnerability represents a critical user interface deception flaw that exploits the timing of popup notifications to manipulate user behavior and potentially compromise system security. The issue stems from insufficient delay mechanisms in the browser's permission prompt system, creating a window of opportunity for attackers to craft deceptive interactions that could lead to unauthorized access or privilege escalation. The vulnerability specifically targets the Firefox browser and Thunderbird email client, affecting versions prior to the mentioned security patches, and demonstrates how seemingly minor UI timing issues can have significant security implications.
The technical flaw manifests in the browser's notification handling mechanism where popup dialogs appear with minimal or no delay between their display and the user's ability to interact with them. This timing gap allows attackers to exploit race conditions in the user interaction flow, potentially enabling malicious actors to present misleading permission requests that appear legitimate to users. The vulnerability operates at the intersection of human factors engineering and security controls, where the psychological impact of immediate user prompts can be manipulated to bypass normal security decision-making processes. According to CWE classification, this maps to CWE-691 as an insufficient control of a resource through time, specifically involving inadequate timing controls in user interface elements.
The operational impact of this vulnerability extends beyond simple permission granting, as successful exploitation could lead to broader security compromises including access to sensitive user data, device control, or the ability to install malicious extensions. Attackers could potentially chain this vulnerability with other techniques to create more sophisticated social engineering campaigns where the timing manipulation makes the deception more convincing to users. The risk is particularly elevated in environments where users frequently interact with browser-based applications and may be less cautious about immediate permission requests. This vulnerability directly relates to ATT&CK technique T1566.001 which involves social engineering through phishing and other deceptive practices, specifically targeting the user's decision-making process through timing manipulation.
Organizations should immediately update all affected browser installations to the latest versions to remediate this vulnerability, as the patch addresses the core timing issue in popup notification handling. Security teams should also conduct user awareness training to help identify potentially deceptive permission prompts and establish monitoring procedures to detect unusual permission granting patterns. System administrators should implement strict update policies ensuring all browser installations remain current with security patches. The vulnerability serves as a reminder that user interface security controls require careful consideration of timing and interaction patterns, as these elements directly influence user behavior and security outcomes. Regular security assessments should include evaluation of UI timing controls and their potential for manipulation by threat actors.