CVE-2019-12571 — HIGH (7.1)

Vulnerability Description

A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v0.9.8 beta (build 02099) for macOS could allow an authenticated, local attacker to overwrite arbitrary files. When the client initiates a connection, the XML /tmp/pia-watcher.plist file is created. If the file exists, it will be truncated and the contents completely overwritten. This file is removed on disconnect. An unprivileged user can create a hard or soft link to 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.

CVSS Score

7.1

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Londontrustmedia	Private Internet Access Vpn Client	0.9.8
Apple	Macos	-

Related Weaknesses (CWE)

CWE-59

References

https://github.com/mirchr/security-research/blob/master/vulnerabilities/PIA/CVE-ExploitThird Party Advisory
https://github.com/mirchr/security-research/blob/master/vulnerabilities/PIA/CVE-ExploitThird Party Advisory

FAQ

What is CVE-2019-12571?

CVE-2019-12571 is a vulnerability with a CVSS score of 7.1 (HIGH). A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v0.9.8 beta (build 02099) for macOS could allow an authenticated, local attacker to overwrite arbitrary files. When t...

How severe is CVE-2019-12571?

CVE-2019-12571 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-12571?

Check the references section above for vendor advisories and patch information. Affected products include: Londontrustmedia Private Internet Access Vpn Client, Apple Macos.