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18 lines
1.3 KiB
Markdown
18 lines
1.3 KiB
Markdown
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### [CVE-2019-12578](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12578)
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### Description
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A vulnerability in the London Trust Media Private Internet Access (PIA) VPN Client v82 for Linux could allow an authenticated, local attacker to run arbitrary code with elevated privileges. The openvpn_launcher.64 binary is setuid root. This binary executes /opt/pia/openvpn-64/openvpn, passing the parameters provided from the command line. Care was taken to programmatically disable potentially dangerous openvpn parameters; however, the --route-pre-down parameter can be used. This parameter accepts an arbitrary path to a script/program to be executed when OpenVPN exits. The --script-security parameter also needs to be passed to allow for this action to be taken, and --script-security is not currently in the disabled parameter list. A local unprivileged user can pass a malicious script/binary to the --route-pre-down option, which will be executed as root when openvpn is stopped.
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### POC
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#### Reference
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No PoCs from references.
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#### Github
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- https://github.com/mirchr/security-research
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