| 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, LWN, oss-sec, fulldisc, 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) | jessie, jessie (lts) | 1.3.9-6.5+deb8u1 | fixed |
| stretch | 1:1.3.9-9+deb9u1 | fixed |
| buster | 1:1.3.9-9+deb10u1 | fixed |
| bullseye | 1:1.3.10-3 | fixed |
| bookworm | 1:1.3.10-7 | fixed |
| sid, trixie | 1:1.3.10-8 | 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) | | | |
Notes
- tightvnc <not-affected> (Windows-specific)
https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce