CVE-1999-0089: Buffer Overflow
Buffer overflow in AIX libDtSvc library can allow local users to gain root access.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
IBM AIX libDtSvcfrom your environment.If libDtSvc is not required in your environment, uninstall or disable the libDtSvc library/service on affected AIX systems to eliminate exposure to this vulnerability.
- Compensating control
Restrict local user access and enforce least-privilege: disable or remove unneeded local accounts, restrict who can log in locally (console/SSH/serial), and limit sudo/root access to trusted administrators only to reduce the risk of local privilege escalation.
- Operational
Apply vendor-supplied fixes/patches for IBM AIX libDtSvc as soon as they are released. In the meantime, audit systems for signs of local privilege escalation and, if compromise is suspected, rotate affected credentials (including root) and rebuild or restore systems from known-good backups.
Event History
Frequently Asked Questions
What is the severity of CVE-1999-0089?
CVE-1999-0089 is classified as a high severity vulnerability due to the potential for local users to gain root access.
How do I fix CVE-1999-0089?
To fix CVE-1999-0089, update to a patched version of AIX that resolves this buffer overflow issue.
Who is affected by CVE-1999-0089?
Local users on IBM AIX version 4.3 are affected by CVE-1999-0089.
What type of vulnerability is CVE-1999-0089?
CVE-1999-0089 is a buffer overflow vulnerability in the AIX libDtSvc library.
Is CVE-1999-0089 remote exploit?
No, CVE-1999-0089 requires local access to the system to exploit.