CVE-2000-0080: Low severity IBM AIX vulnerability
AIX techlibss allows local users to overwrite files via a symlink attack.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
AIX techlibssfrom your environment.If techlibss is not required, uninstall or remove the techlibss binary from affected AIX systems to eliminate the vulnerable component.
- Compensating control
Restrict local user privileges and access: ensure untrusted/local accounts cannot write to directories that contain sensitive files or create symlinks pointing at sensitive locations. Apply filesystem permissions and ACLs to prevent unprivileged users from performing the symlink attack.
- Operational
Audit systems for unexpected or suspicious symbolic links and check integrity of files that could be overwritten; restore any overwritten files from trusted backups if compromise is detected.
Event History
Frequently Asked Questions
What is the severity of CVE-2000-0080?
CVE-2000-0080 is classified as a medium severity vulnerability due to its potential for local file overwrite by users.
How do I fix CVE-2000-0080?
To fix CVE-2000-0080, ensure that proper permissions and access controls are set on sensitive files to prevent unauthorized symlink creation.
Who is affected by CVE-2000-0080?
CVE-2000-0080 affects users running IBM AIX version 4.3.2.
What is a symlink attack in CVE-2000-0080?
A symlink attack in CVE-2000-0080 occurs when a local user creates a symbolic link to overwrite a file that they should not have permission to modify.
Is there a workaround for CVE-2000-0080?
A potential workaround for CVE-2000-0080 is to regularly monitor file permissions and restrict access to sensitive directories.