CVE-2023-27830

Name	CVE-2023-27830
Description	TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tightvnc (PTS)	bullseye	1:1.3.10-3	fixed
	bookworm	1:1.3.10-7	fixed
	trixie	1:1.3.10-9	fixed
	forky, sid	1:1.3.10-10	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
tightvnc	source	(unstable)	(not affected)

- tightvnc <not-affected> (Windows-specific)
https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce