CVE-2004-0084 Memory corruption in n/a
Local or remote authenticated users can execute arbitrary code via a buffer overflow in the XFree86 font alias handling.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2004-0084?
CVE-2004-0084 is a critical memory corruption vulnerability in Openbsd Openbsd, published on 14 Feb 2004. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Buffer overflow in the ReadFontAlias function in XFree86 4.1.0 to 4.3.0, when using the CopyISOLatin1Lowered function, allows local or remote authenticated users to execute arbitrary code via a malformed entry in the font alias (font.alias) file, a different vulnerability than CVE-2004-0083 and CVE-2004-0106.
Which versions are affected by CVE-2004-0084?
It affects 2 products.
Products include Openbsd Openbsd, Xfree86 Project X11r6.
How do I fix CVE-2004-0084?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2004-0084 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2004-0084 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Openbsd Openbsd
Sources
Also known as GHSA-4642-rff9-864v.