CVE-2006-4655 Memory corruption in n/a
Local attackers can escalate privileges via a buffer overflow in the XKEYBOARD extension triggered by a long environment variable.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2006-4655?
CVE-2006-4655 is a medium-severity memory corruption vulnerability in Sco Unixware, published on 9 Sep 2006. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer overflow in the Strcmp function in the XKEYBOARD extension in X Window System X11R6.4 and earlier, as used in SCO UnixWare 7.1.3 and Sun Solaris 8 through 10, allows local users to gain privileges via a long _XKB_CHARSET environment variable value.
Which versions are affected by CVE-2006-4655?
It affects 2 products.
Products include Sco Unixware, Sun Solaris.
How do I fix CVE-2006-4655?
No fix has been published for CVE-2006-4655 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2006-4655 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-4655 exists.
Public exploit code: 4 Exploit-DB entries.
Other vulnerabilities in Sco Unixware
Sources
Also known as GHSA-2752-qr49-v2qw.