Quick answers
- Is CVE-1999-1304 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-1999-1304 being exploited in the wild.
- How severe is CVE-1999-1304?
- High severity, with a CVSS score of 7.2, published 30 November 1994.
- Which products and versions are affected?
- Sco Unix 4.2 and earlier.
- Is there a fix for CVE-1999-1304?
- 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-1999-1304 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-1999-1304?
- Check whether you run Sco Unix at an affected version. 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
A privilege escalation vulnerability exists in the login utility of SCO UNIX versions 4.2 and earlier. The flaw allows a local, unauthenticated user to execute commands or manipulate the login process to obtain a root shell. While the specific technical root cause (such as a buffer overflow or environment variable manipulation) is not detailed in the legacy advisory, the impact is a complete loss of confidentiality, integrity, and availability. Attackers must have local access to the system to exploit this vulnerability. Users are advised to upgrade to a supported version or apply vendor-provided patches from the mid-1990s.
Affected products
- SCO UNIX 4.2 and earlier
Timeline
- 1994-11-30: disclosed