Quick answers
- Is CVE-1999-0304 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-1999-0304 being exploited in the wild.
- How severe is CVE-1999-0304?
- High severity, with a CVSS score of 7.2, published 1 February 1998.
- Which products and versions are affected?
- BSD BSD.
- Is there a fix for CVE-1999-0304?
- 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-1999-0304 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-1999-0304?
- Check whether you run Bsdi Bsd Os, Freebsd, Netbsd or one of the others listed. 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
The vulnerability exists within the mmap function implementation in BSD-based operating systems. It allows a local attacker who is a member of the 'kmem' group to map and modify kernel memory through character devices. By gaining write access to system memory, an attacker can escalate their privileges to root or execute arbitrary code with kernel-level permissions. This flaw stems from insufficient access control checks when mapping memory-resident device files.
Affected products
- BSD BSD
Timeline
- 1998-02-01: disclosed