Vulnerability CVE-1999-1214


Published: 1997-09-15   Modified: 2012-02-12

Description:
The asynchronous I/O facility in 4.4 BSD kernel does not check user credentials when setting the recipient of I/O notification, which allows local users to cause a denial of service by using certain ioctl and fcntl calls to cause the signal to be sent to an arbitrary process ID.

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.1/10
2.9/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
SGI -> IRIX 
Openbsd -> Openbsd 
Netbsd -> Netbsd 
Freebsd -> Freebsd 
BSD -> BSD 

 References:
http://www.openbsd.com/advisories/signals.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/556

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