CVE-2014-9483 in Emacs
Summary
by MITRE
Emacs 24.4 allows remote attackers to bypass security restrictions.
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Analysis
by VulDB Data Team • 03/01/2022
The vulnerability identified as CVE-2014-9483 affects Emacs version 24.4 and represents a significant security flaw that enables remote attackers to circumvent established security restrictions within the text editor. This issue resides in the core functionality of Emacs, which is widely used across various operating systems and development environments, making the potential impact substantial. The vulnerability specifically targets the security mechanisms that protect users from unauthorized access to local resources and network operations.
The technical flaw manifests in how Emacs handles certain network requests and local file operations, allowing malicious actors to exploit weaknesses in the permission model and access controls. Attackers can leverage this vulnerability to execute unauthorized operations that should normally be restricted, potentially gaining access to local files, system resources, or network services. The flaw operates by bypassing the standard security checks that should prevent remote code execution or unauthorized data access. This type of vulnerability typically stems from improper validation of network inputs or insufficient sandboxing mechanisms within the application's architecture.
The operational impact of CVE-2014-9483 extends beyond individual user systems to potentially compromise entire development environments and network infrastructures where Emacs is deployed. Organizations using Emacs for code development, system administration, or text processing tasks face elevated risks of data breaches, unauthorized system access, and potential lateral movement within their networks. The vulnerability is particularly dangerous in enterprise settings where Emacs might be used for managing sensitive configuration files or accessing restricted network resources. Security professionals must consider this weakness when assessing the attack surface of systems running affected versions of Emacs.
Mitigation strategies for this vulnerability include immediate deployment of patches released by the Emacs development team, which typically involve strengthening access controls and implementing proper input validation mechanisms. Organizations should also consider implementing network segmentation and access controls to limit potential exploitation paths, while monitoring for suspicious network activity or unauthorized file access patterns. The vulnerability aligns with CWE-284, which addresses improper access control issues, and may relate to ATT&CK techniques involving privilege escalation and initial access through software exploitation. Regular security updates and vulnerability management processes become critical for preventing exploitation of such flaws, particularly in environments where Emacs serves as a foundational tool for system operations and development activities.