CVE-2000-0367 in Eterm
Summary
by MITRE
Vulnerability in eterm 0.8.8 in Debian GNU/Linux allows an attacker to gain root privileges.
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Analysis
by VulDB Data Team • 04/18/2026
The vulnerability identified as CVE-2000-0367 represents a critical privilege escalation flaw within the eterm terminal emulator version 0.8.8, which was distributed as part of Debian GNU/Linux systems. This vulnerability specifically targets the terminal emulator's handling of certain environment variables and command execution contexts, creating a pathway for unprivileged attackers to elevate their privileges to the root level. The flaw exists in the software's design and implementation, particularly in how it processes user input and executes system commands through environment variable manipulation.
The technical exploitation of this vulnerability stems from improper input validation and privilege handling within the eterm application. When users run eterm with specific environment variable configurations, particularly those that manipulate the PATH variable or other critical system parameters, the application fails to properly sanitize these inputs. This weakness allows an attacker to craft malicious environment variables that, when processed by the terminal emulator, result in the execution of arbitrary commands with elevated privileges. The vulnerability is classified as a privilege escalation issue, with the potential to be categorized under CWE-276, which deals with incorrect permissions for critical resources, and CWE-78, which addresses OS command injection vulnerabilities.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it fundamentally compromises the security model of affected Debian systems. Attackers who successfully exploit this flaw can gain complete control over affected machines, potentially leading to data breaches, system compromise, and further lateral movement within network environments. The vulnerability affects systems where eterm is installed and actively used, making it particularly dangerous in multi-user environments where terminal emulators are commonly employed. This issue aligns with ATT&CK technique T1068, which covers 'Exploitation for Privilege Escalation' and demonstrates how weaknesses in application security can be leveraged to bypass operating system security controls.
Mitigation strategies for this vulnerability require immediate system updates and patches from Debian security repositories, as the original eterm version 0.8.8 contained the exploitable code that allowed for privilege escalation. System administrators should also implement proper environment variable sanitization practices, monitor for unauthorized changes to critical system components, and consider implementing additional access controls such as sudo restrictions and file permission audits. The vulnerability highlights the importance of proper input validation and privilege separation in application design, particularly for components that handle user input and execute system commands. Organizations should also conduct regular security assessments to identify similar flaws in other terminal applications and system utilities, as this type of vulnerability can often be found in other software components that fail to properly validate environment variables or system parameters.