CVE-1999-0894: Critical severity redhat Linux vulnerability
Red Hat Linux screen program does not use Unix98 ptys, allowing local users to write to other terminals.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Configuration
Configure the screen program to use Unix98-style pseudo-ttys (Unix98 ptys) so that local users cannot write to other users' terminals.
screen (Red Hat Linux) use Unix98 ptys = enabled
Event History
Frequently Asked Questions
What is the severity of CVE-1999-0894?
CVE-1999-0894 has a moderate severity level due to its potential exploitation by local users.
How do I fix CVE-1999-0894?
To remediate CVE-1999-0894, upgrade to a newer version of Red Hat Linux that uses Unix98 ptys.
Who is affected by CVE-1999-0894?
Any local user on systems running vulnerable versions of Red Hat Linux could be affected by CVE-1999-0894.
What type of vulnerability is CVE-1999-0894?
CVE-1999-0894 is a local privilege escalation vulnerability related to terminal access.
Is CVE-1999-0894 still a concern today?
While CVE-1999-0894 is an older vulnerability, it may still pose a risk for legacy systems that are not updated.