CVE-2008-5138

CVE-2008-5138 describes a local privilege escalation vulnerability in libpam-mount version 0.43, specifically affecting the passwdehd component. An attacker can exploit this by using a symlink attack on a temporary file in /tmp, leading to the overwrite of arbitrary files. This vulnerability carries a CVSS score of 6.9, indicating high impact on confidentiality, integrity, and availability, with medium attack complexity and requiring local access. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this decade-old vulnerability.