Quick answers
- Is CVE-1999-0166 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-1999-0166 being exploited in the wild.
- How severe is CVE-1999-0166?
- Medium severity, with a CVSS score of 5, published 1 January 1997.
- Which products and versions are affected?
- Generic NFS.
- Is there a fix for CVE-1999-0166?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-1999-0166 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-1999-0166?
- Check whether you run Sun Nfs. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This vulnerability is a directory traversal flaw within certain NFS implementations. By utilizing the 'cd ..' command or equivalent path traversal sequences, a remote attacker can escape the root of the exported file system (the 'export'). This occurs because the service fails to properly validate or restrict directory navigation requests to the boundaries of the defined share. An attacker can leverage this to gain unauthorized read access to files and directories on the host system that are outside the intended scope of the NFS export. The attack is reachable over the network and typically does not require authentication depending on the export configuration.
Affected products
- Generic NFS
Timeline
- 1997-01-01: disclosed