CVE-2010-2532 in openSUSE
Summary
by MITRE
** DISPUTED ** lxsession-logout in lxsession in LXDE, as used on SUSE openSUSE 11.3 and other platforms, does not lock the screen when the Suspend or Hibernate button is pressed, which might make it easier for physically proximate attackers to access an unattended laptop via a resume action. NOTE: there is no general agreement that this is a vulnerability, because separate control over locking can be an equally secure, or more secure, behavior in some threat environments.
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Analysis
by VulDB Data Team • 03/30/2025
The vulnerability described in CVE-2010-2532 relates to the lxsession-logout component within the LXDE desktop environment, specifically affecting SUSE openSUSE 11.3 and similar platforms. This issue involves a security behavior discrepancy where the system fails to implement screen locking when users press suspend or hibernate buttons. The fundamental flaw lies in the session management logic that does not enforce proper screen locking mechanisms during power state transitions, creating a potential security gap in environments where physical access to devices is a concern.
From a technical perspective, this vulnerability represents a failure in access control enforcement and session management protocols. The lxsession-logout utility is responsible for handling session termination and power management events, but it lacks the necessary logic to ensure that screen locking occurs when suspend or hibernate functions are invoked. This behavior creates a window of opportunity for attackers who might physically access an unattended device, as the system would resume to an unlocked desktop state rather than requiring authentication. The vulnerability operates at the operating system level within the desktop environment's power management subsystem, affecting how the system handles user session states during transitions between active and suspended modes.
The operational impact of this vulnerability extends beyond simple convenience issues to potential security breaches in environments where device security is paramount. While some security experts dispute the classification of this as a vulnerability, the behavior creates a legitimate risk vector for attackers who can exploit the resume action to gain access to an unlocked system. The security implications become more pronounced in shared or public environments where physical proximity to devices is common. This vulnerability demonstrates the importance of proper session management and the need for comprehensive security controls that address all potential access vectors, including those related to power state transitions.
The lack of consensus among security professionals regarding this vulnerability's classification reflects the complex nature of threat modeling and security control design. Some argue that the absence of automatic locking during suspend operations represents a security weakness, while others contend that separate control mechanisms can provide equivalent or superior security in certain contexts. This debate highlights the importance of understanding threat environments and security requirements when evaluating potential vulnerabilities. The issue connects to broader security principles found in CWE categories related to access control and session management, particularly CWE-284 for improper access control and CWE-307 for inadequate access control mechanisms.
Security practitioners should consider this vulnerability within the context of broader desktop security frameworks and threat modeling exercises. The recommended mitigations include implementing additional screen locking mechanisms, configuring automatic screen locking for all power state transitions, and ensuring proper session management policies are in place. Organizations should evaluate their specific threat environments to determine whether the current behavior constitutes an acceptable risk level or requires additional controls. This vulnerability also underscores the importance of comprehensive security testing that includes power management scenarios and session state transitions. The behavior aligns with ATT&CK techniques related to privilege escalation and initial access through physical proximity, making it relevant to broader security posture assessments and risk management frameworks.