Privilege Escalation Vulnerability in London Trust Media Private Internet Access (PIA) VPN Client v82 for Linux and macOS

CVE-2019-12573 · MEDIUM Severity

AV:L/AC:L/AU:N/C:N/I:C/A:C

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.

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