CVE-2006-4573 Denial of service in n/a
User-assisted attackers can cause a crash or hang in the screen terminal emulator by sending specific UTF-8 sequences.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2006-4573?
CVE-2006-4573 is a low-severity denial of service vulnerability in n/a, published on 24 Oct 2006. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Multiple unspecified vulnerabilities in the "utf8 combining characters handling" (utf8_handle_comb function in encoding.c) in screen before 4.0.3 allows user-assisted attackers to cause a denial of service (crash or hang) via certain UTF8 sequences.
Which versions are affected by CVE-2006-4573?
It affects 1 product.
Products include Gnu Screen.
How do I fix CVE-2006-4573?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2006-4573 being exploited?
There is no known exploitation of CVE-2006-4573 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2006-4573, DSA-1202-1, GHSA-5v6p-jx73-rq6x.