Vulnerability Description
Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check as a signed integer, but is later used as an unsigned integer during a data copying operation.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openbsd | 3.0 |
References
- http://marc.info/?l=bugtraq&m=102918817012863&w=2
- http://www.iss.net/security_center/static/9809.phpPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/259787US Government Resource
- http://www.osvdb.org/7554
- http://www.securityfocus.com/bid/5442PatchVendor Advisory
- http://marc.info/?l=bugtraq&m=102918817012863&w=2
- http://www.iss.net/security_center/static/9809.phpPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/259787US Government Resource
- http://www.osvdb.org/7554
- http://www.securityfocus.com/bid/5442PatchVendor Advisory
FAQ
What is CVE-2002-1420?
CVE-2002-1420 is a vulnerability with a CVSS score of 7.2 (HIGH). Integer signedness error in select() on OpenBSD 3.1 and earlier allows local users to overwrite arbitrary kernel memory via a negative value for the size parameter, which satisfies the boundary check ...
How severe is CVE-2002-1420?
CVE-2002-1420 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2002-1420?
Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openbsd.