Exploits Discovered - Published CVE-2017-16638

Title: net-misc/vde root privilege escalation via OpenRC service script

Author: Michael Orlitzky

Fixed in: Version 2.3.2-r4; commits 487449d and 26fdd48

Gentoo’s net-misc/vde package before 2.3.2-r4 could allow members of the qemu group to gain root by creating a hard link beneath a directory on which its OpenRC service script performed a recursive chown.

Michael Orlitzky’s detailed advisory provides the full technical disclosure and remediation references for CVE-2017-16638.

Common Vulnerabilities and Exposures (CVE) provides standard public identifiers for known cybersecurity vulnerabilities. MITRE maintains the CVE program and coordinates its vulnerability-identification ecosystem in the public interest.

Founded in 1994, Metro Data, Inc. is an information-systems and services firm that works exclusively with business clients to develop and apply technology solutions aligned with client goals.

Metro Data’s end-to-end experience helps customers keep pace with changing technology, secure systems, reduce costs, and improve information-system performance.

Michael J. Orlitzky is a long-time Metro Data technical leader with a Ph.D. in mathematics who has discovered and helped remediate vulnerabilities in operating systems and application software, with research recognized by industry and academic peers.