UBUNTU-CVE-2018-1079

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UBUNTU-CVE-2018-1079

Summary:

Details: pcs before version 0.9.164 and 0.10 is vulnerable to a privilege escalation via authorized user malicious REST call. The REST interface of the pcsd service did not properly sanitize the file name from the /remote/put_file query. If the /etc/booth directory exists, an authenticated attacker with write permissions could create or overwrite arbitrary files with arbitrary data outside of the /etc/booth directory, in the context of the pcsd process.

References: https://ubuntu.com/security/CVE-2018-1079, http://www.openwall.com/lists/oss-security/2018/04/09/2, https://www.cve.org/CVERecord?id=CVE-2018-1079