DescriptionAn issue was discovered in open-vm-tools 2009.03.18-154848. Local users can bypass intended access restrictions on mounting shares via a symlink attack that leverages a realpath race condition in mount.vmhgfs (aka hgfsmounter).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
open-vm-tools (PTS)buster2:10.3.10-1+deb10u2vulnerable
buster (security)2:10.3.10-1+deb10u3vulnerable
bullseye (security), bullseye2:11.2.5-2+deb11u1vulnerable
bookworm, sid2:12.2.0-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bullseye] - open-vm-tools <no-dsa> (Minor issue; mount.vmhgfs not suid root in Debian)
[buster] - open-vm-tools <postponed> (Minor issue; mount.vmhgfs not suid root in Debian)
Removing hgfsmounter/mount.vmhgfs: (stable-12.0.0)

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