CWE Code: 59
Vulnerability Type: privilege_escalation
CVSS Score: 6.6
CWE Name:  Improper Link Resolution Before File Access ('Link Following')
Summary: a vulnerability in the london trust media private internet access (pia) vpn client v82 for linux and macos could allow an authenticated, local attacker to overwrite arbitrary files. the openvpn_launcher binary is setuid root. this binary supports the --log option, which accepts a path as an argument. this parameter is not sanitized, which allows a local unprivileged user to overwrite arbitrary files owned by any user on the system, including root. this creates a denial of service condition and possible data loss if leveraged by a malicious local user.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: LOCAL
Impact (C/I/A): NONE/COMPLETE/COMPLETE
Published Date: 2019-07-11
Last Modified Date: 2019-07-16