CVE-1999-0040: Buffer Overflow
Buffer overflow in Xt library of X Windowing System allows local users to execute commands with root privileges.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
X Window System (Xt library)from your environment.If the Xt library is not required on a host, uninstall or remove the Xt library from affected systems to eliminate the vulnerable component.
- Compensating control
Restrict local user access and privileges on systems running the Xt library (disable or remove untrusted local accounts, restrict interactive logins, and enforce least-privilege policies) to mitigate potential local privilege escalation to root.
- Operational
Investigate logs and system integrity for signs of local privilege escalation; if compromise is suspected, isolate affected hosts, perform incident response and restore from known-good backups before returning systems to production.
Event History
Frequently Asked Questions
What is the severity of CVE-1999-0040?
CVE-1999-0040 is classified as a high severity vulnerability due to the potential for local users to execute commands with root privileges.
How do I fix CVE-1999-0040?
To fix CVE-1999-0040, update the Xt library of the affected versions of the X Windowing System to a patched version issued by your software vendor.
Which software is affected by CVE-1999-0040?
CVE-1999-0040 affects various versions of SGI IRIX, Sun SunOS, HPE HP-UX, FreeBSD, and other Unix-based operating systems.
Can CVE-1999-0040 be exploited remotely?
CVE-1999-0040 cannot be exploited remotely as it requires local access to the system.
What impact does CVE-1999-0040 have on systems?
The impact of CVE-1999-0040 includes unauthorized command execution with root privileges, potentially leading to complete system compromise.