Vulnerability Description
The system configuration control (sysctl) facility in BSD based operating systems OpenBSD 2.2 and earlier, and FreeBSD 2.2.5 and earlier, does not properly restrict source routed packets even when the (1) dosourceroute or (2) forwarding variables are set, which allows remote attackers to spoof TCP connections.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bsdi | Bsd Os | All versions |
| Freebsd | Freebsd | 2.2 |
| Openbsd | Openbsd | 2.0 |
References
- http://www.openbsd.org/advisories/sourceroute.txt
- http://www.osvdb.org/11502
- https://exchange.xforce.ibmcloud.com/vulnerabilities/736
- http://www.openbsd.org/advisories/sourceroute.txt
- http://www.osvdb.org/11502
- https://exchange.xforce.ibmcloud.com/vulnerabilities/736
FAQ
What is CVE-1999-0305?
CVE-1999-0305 is a vulnerability with a CVSS score of 5.0 (MEDIUM). The system configuration control (sysctl) facility in BSD based operating systems OpenBSD 2.2 and earlier, and FreeBSD 2.2.5 and earlier, does not properly restrict source routed packets even when the...
How severe is CVE-1999-0305?
CVE-1999-0305 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-1999-0305?
Check the references section above for vendor advisories and patch information. Affected products include: Bsdi Bsd Os, Freebsd Freebsd, Openbsd Openbsd.