CVE-2023-27830 Privilege escalation in n/a
Attackers can escalate privileges on the host OS by replacing legitimate files during file transfers due to TightVNC running with high privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-27830?
CVE-2023-27830 is a critical vulnerability in n/a, published on 12 Apr 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-269
Which versions are affected by CVE-2023-27830?
It affects 1 product.
Products include Tightvnc Tightvnc.
How do I fix CVE-2023-27830?
No fix has been published for CVE-2023-27830 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-27830 being exploited?
There is no known exploitation of CVE-2023-27830 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w347-2542-wgjq.